{"id":6865216831643,"title":"Spare O-Ring Belt for Van De Graaff Generator, 3\" Diameter, 2mm Thickness - Eisco Labs","handle":"spare-o-ring-belt-for-van-de-graaff-generator-3-diameter-2mm-thickness-eisco-labs","description":"\u003ch3\u003eSpare O-Ring Belt for Van De Graaff Generator, 3\" Diameter, 2mm Thickness - Eisco Labs\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eThis is a thin spare o-ring belt for the Hand Cranked Eisco Van De Graaff\nGenerator (SKU PH0922A). The belt is flexible and sturdy, with a diameter of 3\ninches and a thickness of approximately 2mm.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eThin spare belt for the Hand Cranked Van De Graaff Generator\u003c\/li\u003e\n \u003cli\u003e3\" Diameter\u003c\/li\u003e\n \u003cli\u003eApproximately 2mm thick\u003c\/li\u003e\n \u003cli\u003eDurable and flexible\u003c\/li\u003e\n \u003c\/ul\u003e\n\n\n\n\n","published_at":"2021-06-26T17:37:58+10:00","created_at":"2021-06-26T17:37:58+10:00","vendor":"EISCO","type":"Electroscopes \u0026 Van de Graffs","tags":["leo109"],"price":11200,"price_min":11200,"price_max":11200,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":40346080739483,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B07DP4GVJ6","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Spare O-Ring Belt for Van De Graaff Generator, 3\" Diameter, 2mm Thickness - Eisco Labs","public_title":null,"options":["Default Title"],"price":11200,"weight":45,"compare_at_price":null,"inventory_management":null,"barcode":"PH0920BA","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/leoforward.com\/cdn\/shop\/products\/B07DP4GVJ6.jpg?v=1651275264","\/\/leoforward.com\/cdn\/shop\/products\/71PypfC5VTL.jpg?v=1625155435","\/\/leoforward.com\/cdn\/shop\/products\/81Wur0CAB1L.jpg?v=1625155435"],"featured_image":"\/\/leoforward.com\/cdn\/shop\/products\/B07DP4GVJ6.jpg?v=1651275264","options":["Title"],"media":[{"alt":"Spare O-Ring Belt for Van De Graaff Generator, 3\" Diameter, 2mm Thickness - Eisco Labs - LeoForward Australia","id":29657283133677,"position":1,"preview_image":{"aspect_ratio":2.203,"height":1162,"width":2560,"src":"\/\/leoforward.com\/cdn\/shop\/products\/B07DP4GVJ6.jpg?v=1651275264"},"aspect_ratio":2.203,"height":1162,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/products\/B07DP4GVJ6.jpg?v=1651275264","width":2560},{"alt":"Spare O-Ring Belt for Van De Graaff Generator, 3\" Diameter, 2mm Thickness - Eisco Labs - LeoForward Australia","id":23638138060955,"position":2,"preview_image":{"aspect_ratio":1.022,"height":2166,"width":2214,"src":"\/\/leoforward.com\/cdn\/shop\/products\/71PypfC5VTL.jpg?v=1625155435"},"aspect_ratio":1.022,"height":2166,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/products\/71PypfC5VTL.jpg?v=1625155435","width":2214},{"alt":"Spare O-Ring Belt for Van De Graaff Generator, 3\" Diameter, 2mm Thickness - Eisco Labs - LeoForward Australia","id":23638138093723,"position":3,"preview_image":{"aspect_ratio":0.964,"height":2560,"width":2467,"src":"\/\/leoforward.com\/cdn\/shop\/products\/81Wur0CAB1L.jpg?v=1625155435"},"aspect_ratio":0.964,"height":2560,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/products\/81Wur0CAB1L.jpg?v=1625155435","width":2467}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eSpare O-Ring Belt for Van De Graaff Generator, 3\" Diameter, 2mm Thickness - Eisco Labs\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eThis is a thin spare o-ring belt for the Hand Cranked Eisco Van De Graaff\nGenerator (SKU PH0922A). The belt is flexible and sturdy, with a diameter of 3\ninches and a thickness of approximately 2mm.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eThin spare belt for the Hand Cranked Van De Graaff Generator\u003c\/li\u003e\n \u003cli\u003e3\" Diameter\u003c\/li\u003e\n \u003cli\u003eApproximately 2mm thick\u003c\/li\u003e\n \u003cli\u003eDurable and flexible\u003c\/li\u003e\n \u003c\/ul\u003e\n\n\n\n\n"}

{"id":6865212965019,"title":"Hanna Instruments HI774-25 Phosphate Ultra Low Range Checker HC Reagents (25 Tests) by wwG Store white","handle":"hanna-instruments-hi774-25-phosphate-ultra-low-range-checker-hc-reagents-25-tests-by-wwg-store-white","description":"\u003ch3\u003eHanna Instruments HI774-25 Phosphate Ultra Low Range Checker HC Reagents (25 Tests) by wwG Store\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eColor:white The HI774-25 are high-quality reagents that are pre-measured,\nallowing for users to achieve fast and accurate measurements with their\nPhosphate Ultra Low Range Checker HC. These reagents follow the Ascorbic Acid\nMethod in which the reaction between phosphorus and reagents causes a blue\ntint in the sample. By simply adding the packet of HI774-25 reagent to the\nsample, the reaction will take place and the HI774 will determine the\nconcentration from the color that is produced. The results will be displayed\nin ppb of phosphorus. These reagents are designed to be used with samples that\nhave an expected range of 0.00 to 0.90 ppm phosphate. Easier to use and more\naccurate than chemical test kits; Dedicated to a single parameter; Small size,\nbig convenience; Ideal for: Aquariums, Environmental, Aquaculture, Water\nQuality.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003ePre-made reagents for ease of use\u003c\/li\u003e\n \u003cli\u003ePrepared with high purity chemicals\u003c\/li\u003e\n \u003cli\u003eMarked with expiration date and lot number for traceability\u003c\/li\u003e\n \u003cli\u003eHI774 Ultra Low Range Phosphate Checker will be essentially the same specifications as the HI736 Ultra Low Range Phosphorus Checker however it will not require a conversion but read directly in parts per million phosphates compared to parts per billion phosphorus.\u003c\/li\u003e\n \u003cli\u003eIdeal for: Aquariums, Environmental, Aquaculture, Water Quality\u003c\/li\u003e\n \u003c\/ul\u003e\n\n\n\n\n","published_at":"2021-06-26T17:35:45+10:00","created_at":"2021-06-26T17:35:45+10:00","vendor":"Hanna Instruments","type":"Spectrophotometer \u0026 Colorimeter Accessories","tags":["leo109"],"price":12100,"price_min":12100,"price_max":12100,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":40346070679707,"title":"white","option1":"white","option2":null,"option3":null,"sku":"B07SN7NSHP","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Hanna Instruments HI774-25 Phosphate Ultra Low Range Checker HC Reagents (25 Tests) by wwG Store white - white","public_title":"white","options":["white"],"price":12100,"weight":23,"compare_at_price":null,"inventory_management":null,"barcode":"799862362004","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/leoforward.com\/cdn\/shop\/products\/B07SN7NSHP.jpg?v=1651275104","\/\/leoforward.com\/cdn\/shop\/products\/61u4UPMTmrL.jpg?v=1625155414","\/\/leoforward.com\/cdn\/shop\/products\/51OxLxTtOeL.jpg?v=1625155415","\/\/leoforward.com\/cdn\/shop\/products\/51GeanJR42L.jpg?v=1625155415"],"featured_image":"\/\/leoforward.com\/cdn\/shop\/products\/B07SN7NSHP.jpg?v=1651275104","options":["Color"],"media":[{"alt":"Hanna Instruments HI774-25 Phosphate Ultra Low Range Checker HC Reagents (25 Tests) by wwG Store white - LeoForward Australia","id":29657279365357,"position":1,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/leoforward.com\/cdn\/shop\/products\/B07SN7NSHP.jpg?v=1651275104"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/products\/B07SN7NSHP.jpg?v=1651275104","width":500},{"alt":"Hanna Instruments HI774-25 Phosphate Ultra Low Range Checker HC Reagents (25 Tests) by wwG Store white - LeoForward Australia","id":23638108668059,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/leoforward.com\/cdn\/shop\/products\/61u4UPMTmrL.jpg?v=1625155414"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/products\/61u4UPMTmrL.jpg?v=1625155414","width":1000},{"alt":"Hanna Instruments HI774-25 Phosphate Ultra Low Range Checker HC Reagents (25 Tests) by wwG Store white - LeoForward Australia","id":23638108700827,"position":3,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/leoforward.com\/cdn\/shop\/products\/51OxLxTtOeL.jpg?v=1625155415"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/products\/51OxLxTtOeL.jpg?v=1625155415","width":1000},{"alt":"Hanna Instruments HI774-25 Phosphate Ultra Low Range Checker HC Reagents (25 Tests) by wwG Store white - LeoForward Australia","id":23638108733595,"position":4,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/leoforward.com\/cdn\/shop\/products\/51GeanJR42L.jpg?v=1625155415"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/products\/51GeanJR42L.jpg?v=1625155415","width":1000}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eHanna Instruments HI774-25 Phosphate Ultra Low Range Checker HC Reagents (25 Tests) by wwG Store\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eColor:white The HI774-25 are high-quality reagents that are pre-measured,\nallowing for users to achieve fast and accurate measurements with their\nPhosphate Ultra Low Range Checker HC. These reagents follow the Ascorbic Acid\nMethod in which the reaction between phosphorus and reagents causes a blue\ntint in the sample. By simply adding the packet of HI774-25 reagent to the\nsample, the reaction will take place and the HI774 will determine the\nconcentration from the color that is produced. The results will be displayed\nin ppb of phosphorus. These reagents are designed to be used with samples that\nhave an expected range of 0.00 to 0.90 ppm phosphate. Easier to use and more\naccurate than chemical test kits; Dedicated to a single parameter; Small size,\nbig convenience; Ideal for: Aquariums, Environmental, Aquaculture, Water\nQuality.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003ePre-made reagents for ease of use\u003c\/li\u003e\n \u003cli\u003ePrepared with high purity chemicals\u003c\/li\u003e\n \u003cli\u003eMarked with expiration date and lot number for traceability\u003c\/li\u003e\n \u003cli\u003eHI774 Ultra Low Range Phosphate Checker will be essentially the same specifications as the HI736 Ultra Low Range Phosphorus Checker however it will not require a conversion but read directly in parts per million phosphates compared to parts per billion phosphorus.\u003c\/li\u003e\n \u003cli\u003eIdeal for: Aquariums, Environmental, Aquaculture, Water Quality\u003c\/li\u003e\n \u003c\/ul\u003e\n\n\n\n\n"}

{"id":6856559362203,"title":"Hanna Marine Alkalinity (dKH) Checker HC - HI772 7.5x5x2.5","handle":"hanna-marine-alkalinity-dkh-checker-hc-hi772-7-5x5x2-5","description":"\u003ch3\u003eHanna Marine Alkalinity (dKH) Checker HC - HI772\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eSize:7.5x5x2.5 The HI772 Checker®HC (Handheld Colorimeter) provides a simple,\naccurate, and cost-effective way to measure alkalinity in degrees of carbonate\nhardness, commonly abbreviated as dKH. Critical to marine environments,\nalkalinity not only provides the carbonate ion required for calcium carbonate\nskeletal regeneration of coral reefs, but it also acts as a pH buffer against\nlarge changes in acidity. Designed as a more accurate alternative to chemical\ntest kits, the HI772 provides quick, accurate results in a few easy\nsteps.Features at-a-glance: Easier to use and more accurate than chemical test\nkits Dedicated to a single parameter Small size, big convenience Ideal for:\nAquaculture \u0026amp; Aquariums, Water Quality\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eCompact, Portable Design\u003c\/li\u003e\n \u003cli\u003eBuilt-in Timer\u003c\/li\u003e\n \u003cli\u003eOne-Button Operation\u003c\/li\u003e\n \u003c\/ul\u003e\n\n\n\n\n","published_at":"2021-06-24T14:12:20+10:00","created_at":"2021-06-24T14:12:20+10:00","vendor":"Hanna Instruments","type":"Spectrophotometer \u0026 Colorimeter Accessories","tags":["leo109"],"price":26200,"price_min":26200,"price_max":26200,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":40314295812251,"title":"7.5x5x2.5","option1":"7.5x5x2.5","option2":null,"option3":null,"sku":"B01G969YA0","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Hanna Marine Alkalinity (dKH) Checker HC - HI772 7.5x5x2.5 - 7.5x5x2.5","public_title":"7.5x5x2.5","options":["7.5x5x2.5"],"price":26200,"weight":363,"compare_at_price":null,"inventory_management":null,"barcode":"696391997779","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/leoforward.com\/cdn\/shop\/products\/B01G969YA0.jpg?v=1651269818","\/\/leoforward.com\/cdn\/shop\/products\/417Sm8PtTrL.jpg?v=1624550281","\/\/leoforward.com\/cdn\/shop\/products\/416pG-zgqaL.jpg?v=1624550281","\/\/leoforward.com\/cdn\/shop\/products\/41LKlc-iOEL.jpg?v=1624550282","\/\/leoforward.com\/cdn\/shop\/products\/51LcwE_2BMWBL.jpg?v=1624550282"],"featured_image":"\/\/leoforward.com\/cdn\/shop\/products\/B01G969YA0.jpg?v=1651269818","options":["Size"],"media":[{"alt":"Hanna Marine Alkalinity (dKH) Checker HC - HI772 7.5x5x2.5 - LeoForward Australia","id":29657068503277,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/leoforward.com\/cdn\/shop\/products\/B01G969YA0.jpg?v=1651269818"},"aspect_ratio":1.0,"height":1200,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/products\/B01G969YA0.jpg?v=1651269818","width":1200},{"alt":"Hanna Marine Alkalinity (dKH) Checker HC - HI772 7.5x5x2.5 - LeoForward Australia","id":23599730426011,"position":2,"preview_image":{"aspect_ratio":1.0,"height":331,"width":331,"src":"\/\/leoforward.com\/cdn\/shop\/products\/417Sm8PtTrL.jpg?v=1624550281"},"aspect_ratio":1.0,"height":331,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/products\/417Sm8PtTrL.jpg?v=1624550281","width":331},{"alt":"Hanna Marine Alkalinity (dKH) Checker HC - HI772 7.5x5x2.5 - LeoForward Australia","id":23599730458779,"position":3,"preview_image":{"aspect_ratio":1.0,"height":331,"width":331,"src":"\/\/leoforward.com\/cdn\/shop\/products\/416pG-zgqaL.jpg?v=1624550281"},"aspect_ratio":1.0,"height":331,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/products\/416pG-zgqaL.jpg?v=1624550281","width":331},{"alt":"Hanna Marine Alkalinity (dKH) Checker HC - HI772 7.5x5x2.5 - LeoForward Australia","id":23599730491547,"position":4,"preview_image":{"aspect_ratio":1.0,"height":331,"width":331,"src":"\/\/leoforward.com\/cdn\/shop\/products\/41LKlc-iOEL.jpg?v=1624550282"},"aspect_ratio":1.0,"height":331,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/products\/41LKlc-iOEL.jpg?v=1624550282","width":331},{"alt":"Hanna Marine Alkalinity (dKH) Checker HC - HI772 7.5x5x2.5 - LeoForward Australia","id":23599730524315,"position":5,"preview_image":{"aspect_ratio":1.34,"height":373,"width":500,"src":"\/\/leoforward.com\/cdn\/shop\/products\/51LcwE_2BMWBL.jpg?v=1624550282"},"aspect_ratio":1.34,"height":373,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/products\/51LcwE_2BMWBL.jpg?v=1624550282","width":500}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eHanna Marine Alkalinity (dKH) Checker HC - HI772\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eSize:7.5x5x2.5 The HI772 Checker®HC (Handheld Colorimeter) provides a simple,\naccurate, and cost-effective way to measure alkalinity in degrees of carbonate\nhardness, commonly abbreviated as dKH. Critical to marine environments,\nalkalinity not only provides the carbonate ion required for calcium carbonate\nskeletal regeneration of coral reefs, but it also acts as a pH buffer against\nlarge changes in acidity. Designed as a more accurate alternative to chemical\ntest kits, the HI772 provides quick, accurate results in a few easy\nsteps.Features at-a-glance: Easier to use and more accurate than chemical test\nkits Dedicated to a single parameter Small size, big convenience Ideal for:\nAquaculture \u0026amp; Aquariums, Water Quality\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eCompact, Portable Design\u003c\/li\u003e\n \u003cli\u003eBuilt-in Timer\u003c\/li\u003e\n \u003cli\u003eOne-Button Operation\u003c\/li\u003e\n \u003c\/ul\u003e\n\n\n\n\n"}

{"id":6856495136923,"title":"Eisco Labs Electroscope Needle","handle":"eisco-labs-electroscope-needle","description":"\u003ch3\u003eEisco Labs Electroscope Needle\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eEisco Labs Needle ElectroscopeThis electroscope is great for hands on\nexperience with electrostatic principles in physics classrooms and labs. The\nsheet metal walls of the electroscope are attached to a plastic base and top.\nFront glass window slides up to allow insertion of ionizing material in\nchamber. A light-weight metal vane is used as a pointer in the electroscope.\nThis light weight metal blade deflects when the electroscope plate is charged.\nA graduated scale is provided to measure the angle of the deflection.. Fitted\nwith 4mm socket. Assembled, the electroscope measures 4 x 3.75 x 2.25 inches.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eGreat tool to discover electrostatic principles such as conduction, induction and coulomb repulsion\u003c\/li\u003e\n \u003cli\u003eClear front pane lifts up to allow easy application of ionizing materials\u003c\/li\u003e\n \u003cli\u003ePerfect for hands on experience in the classroom\u003c\/li\u003e\n \u003c\/ul\u003e\n\n\n\n\n","published_at":"2021-06-24T13:36:37+10:00","created_at":"2021-06-24T13:36:37+10:00","vendor":"EISCO","type":"Electroscopes \u0026 Van de Graffs","tags":["leo109"],"price":17400,"price_min":17400,"price_max":17400,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":40314056638619,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B00AZ38K7C","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Eisco Labs Electroscope Needle","public_title":null,"options":["Default Title"],"price":17400,"weight":254,"compare_at_price":null,"inventory_management":null,"barcode":"PH0917","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/leoforward.com\/cdn\/shop\/products\/B00AZ38K7C.jpg?v=1651267711","\/\/leoforward.com\/cdn\/shop\/products\/81aWk1wJqLL.jpg?v=1624549924"],"featured_image":"\/\/leoforward.com\/cdn\/shop\/products\/B00AZ38K7C.jpg?v=1651267711","options":["Title"],"media":[{"alt":"Eisco Labs Electroscope Needle - LeoForward Australia","id":29656894406893,"position":1,"preview_image":{"aspect_ratio":1.027,"height":1472,"width":1512,"src":"\/\/leoforward.com\/cdn\/shop\/products\/B00AZ38K7C.jpg?v=1651267711"},"aspect_ratio":1.027,"height":1472,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/products\/B00AZ38K7C.jpg?v=1651267711","width":1512},{"alt":"Eisco Labs Electroscope Needle - LeoForward Australia","id":23599261778075,"position":2,"preview_image":{"aspect_ratio":0.996,"height":1928,"width":1920,"src":"\/\/leoforward.com\/cdn\/shop\/products\/81aWk1wJqLL.jpg?v=1624549924"},"aspect_ratio":0.996,"height":1928,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/products\/81aWk1wJqLL.jpg?v=1624549924","width":1920}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eEisco Labs Electroscope Needle\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eEisco Labs Needle ElectroscopeThis electroscope is great for hands on\nexperience with electrostatic principles in physics classrooms and labs. The\nsheet metal walls of the electroscope are attached to a plastic base and top.\nFront glass window slides up to allow insertion of ionizing material in\nchamber. A light-weight metal vane is used as a pointer in the electroscope.\nThis light weight metal blade deflects when the electroscope plate is charged.\nA graduated scale is provided to measure the angle of the deflection.. Fitted\nwith 4mm socket. Assembled, the electroscope measures 4 x 3.75 x 2.25 inches.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eGreat tool to discover electrostatic principles such as conduction, induction and coulomb repulsion\u003c\/li\u003e\n \u003cli\u003eClear front pane lifts up to allow easy application of ionizing materials\u003c\/li\u003e\n \u003cli\u003ePerfect for hands on experience in the classroom\u003c\/li\u003e\n \u003c\/ul\u003e\n\n\n\n\n"}