US$ 432.48
with a spout for easy pouring
0280 24 23/24 0
and 2 quadruple pulleys on a heavy composite base with capstan
transferring
Jolly's Photometer for Optical Bench Subject_Chemistry with a spout for easyUsed to compare two light sources by sliding them until both faces of a paraffin block appear equally lit, this Jolly's photometer turns the inverse square law into a measurable observation.
US$ 432.48
US$ 394.98
US$ 34.00
US$ 199.97