Description

Classroom pack of ten handheld digital thermometers

Topped with a large conductor sphere and a deflecting needle indicator

Mid-sized brass cylinder on an ebonite-insulated base

Hard vulcanized ebonite rod that takes on a strong negative charge when rubbed with fur

150mm Connecting Lead, Model J Subcategory_Erlenmeyer Flasks Classroom pack of ten handheldShort 150mm red 2mm stackable lead with nickel plated pins on both ends, sized for compact circuits where stackable plugs branch multiple leads off a single terminal.

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150mm Connecting Lead, Model J Subcategory_Erlenmeyer Flasks Classroom pack of ten handheld

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