Hurter and Driffield actinograph (first model). Patent 5545

Hurter and Driffield actinograph (first model). Patent 5545, 1888. Wooden slide-rule calculator with revolving scale of time, month and day, N. latitude 52 degrees 32' 0". Sliding scales: f.no., time lighting H and D speed. With instruction book.

Details

Category:
Photographic Technology
Collection:
Kodak Collection
Object Number:
1990-5036/575
type:
actinograph
credit:
The Kodak Collection at the National Media Museum, Bradford

Parts

Hurter and Driffield actinograph (first model). Patent 5545, 1888. Wooden slide-rule calculator with revolving scale of time, month and day, N. latitude 52 degrees 32' 0". Sliding scales: f.no., time lighting H and D speed.

Hurter and Driffield actinograph (first model). Patent 5545

Hurter and Driffield actinograph (first model). Patent 5545, 1888. Wooden slide-rule calculator with revolving scale of time, month and day, N. latitude 52 degrees 32' 0". Sliding scales: f.no., time lighting H and D speed.

Materials:
wood (unknown)
Object Number:
1990-5036/575/1
type:
actinograph
Instruction book for a Hurter and Driffield actinograph (first model).

Hurter and Driffield instruction book

Instruction book for a Hurter and Driffield actinograph (first model).

Materials:
paper (fibre product)
Object Number:
1990-5036/575/2
type:
instruction book