Description

Aluminum-cased plotting compass with a glass face and a dial marked with principal points

Hand-cranked Van de Graaff generator with a 9

Hand-painted dicot root transverse section model exposes epidermis

providing a stable heating platform for introductory chemistry and general science classroom work

1A DC Interchangeable Dial for Demonstration Meter Metal Labware_Metal Bases & Rods Aluminum-cased plotting compass with aOne amp AC scale on a 315x115mm laminated panel with sealed shunt, dropping into the demonstration meter as a 0 1A AC ammeter for transformer and household current measurements.

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1A DC Interchangeable Dial for Demonstration Meter Metal Labware_Metal Bases & Rods Aluminum-cased plotting compass with a

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