US$ 28.90
biology dissection
Large-format hydrostatic balance sized for buoyancy
using a 5cm sphere with detachable hemispherical cups that lift away to test for residual charge
the medium-strength option for classroom investigations into magnetic poles and field-line geometry
Two-piece Boyle's Law glass tube set with one open and one closed tube
Replacement S8 Bulb for Standard Ray Box, 12V 24W Biology_Microscopy biology dissectionDouble contact bayonet S8 bulb rated 12V 24W, just over 1. 75 inches end to end with a 9 16 inch socket diameter, sized as the matched replacement for the PH0602A ray box.
US$ 28.90
US$ 44.90
US$ 44.90
US$ 32.90
US$ 26.90
US$ 28.90
US$ 29.90
US$ 18.90
US$ 34.90
US$ 28.90
US$ 138.00
US$ 26.90
US$ 21.90