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This Multifunction LED Timer measures and displays time intervals up to 999
10121 2000 24/29 24/29 RV15
solvent filters
Burette Brush has a twisted wire handle
Van De Graaff Upgrade Kit For Old Models class This Multifunction LED Timer measuresThe Van De Graaff Upgrade Kit is suitable for both small and large models. It enables conversion of very old models (that have a non ball bearing upper pulley) to later models with ball bearings in the upper pulley. The kit also replaces the pulley mounting and combs, and includes a new charging belt. A Van de Graaff generator creates and accumulates a significant amount of static electricity on a metal sphere. Upgrade Kit Includes: 1 x Top pulley
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