Wed, 6th Oct 2021 13:00

Photographica

 
  Lot 39
 

A Hurter & Driffield's Actinograph Exposure Calculator

A Hurter & Driffield's Actinograph Exposure Calculator

with cylindrical mean light Calendar meter, sliding speed and exposure scale, and Table of Factors, 1888 Patent, in maker's fitted wooden case with instructions, and maker's cardboard box, in fine condition

Sold for £450

Includes Buyer's Premium


 

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