Skip to content
History of Science Museum

Sprung Optical Filter, 20th Century

Inventory Number 31921


Acknowledgement: © History of Science Museum, University of Oxford, inv.31921

Item type
Object
Dimensions
Height: 130mm Width: 20mm
Inventory No
31921

Description

Two pieces of tinted glass (one red, the other green) in eyepiece-like holders, fitted with a sprung handle. Presumably a one-off or home-made piece of apparatus.