No 1aa Rectilinear Patent Dallmeyer Lens, by Dallmeyer, London, 19th Century

Subject: Photography
Item type: Object
Makers: J. H. Dallmeyer
Primary inscriptions: "J.H. Dallmeyer / No. 1aa LONDON / No 52647 / Rectilinear / PATENT." printed around main tube.
Physical material: Copper Alloy; Glass; Paint; Metal
Object type: Lens
Dimensions: Diameter: 43mm Height: 30mm Weight: 99g
Inventory No: 10007

Description

No 1aa Rectilinear Patent Dallmeyer Lens in a copper alloy mount with an iris aperture controlled by a lever on the side.