Browse Items (327 total)

G. Gennert, Lantern Slide Cover Glass

3-1/4 X 4 Lantern Slide Cover Glass in box

Gauthier, Prontor II camera shutter

The Prontor is a long-lived series of leaf shutters

H.J. Green, Microbarograph

MIcrobarograph in wood case

Hilgar Fluorite, Filter plates

Fluorite filter plates in a wooden box.

J.H. Dallmeyer, Lens/Diaphragm Assembly

Lens/diaphragm Assembly f:3- 7.5cm - Kinematograph

KIIP, Delft, Holland, Alter Spiegelgalvanometer

Device for measuring small variations in low voltage

KIIP, Delft, Holland, Moll Vibrating Galvanometer

Moll Vibrating Galvanometer - The vibration galvanometer is used for detecting alternating currents in the frequency of its natural resonance. Most…

Leeds & Northrup Co. - Philadelphia, Galvanometer

Galvanometer used for measuring very small voltages

Leeds and Northrup - Philadelphia, Galvanometer, 4/24/20

A device used to measure extremely small variations in voltage.

Lens - Goerz Shutter - Bausch and Lomb, Lens and Shutter

Double-anastigmat lens in Automat shutter for view camera 9-1/2" FL