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History of Science Museum

Bausch & Lomb Multi-Blade Diaphragm Shutter

Inventory Number 68516


Item type
Object
Provenance
Pres. by Mr. & Mrs. Lockwood
Physical material
Copper Alloy
Plastic
Object type
Shutter
Dimensions
Height: 112mm Width: 81mm Depth: 35mm Weight: 319g
Inventory No
68516
Accession Number
1981-8/35

Description

A circular copper alloy multi-blade diaphragm shutter (no. 10169). The circular body has an aperture with the multiple blades in the centre and two cylindrical rods on the sides that are connected using fixtures to a circular dial on the top.