Special Akuret actinometer, made by Portable Studio Manufacturing Co, c.1900. Printing frame with 21 step wedge, in 3 rows. Used for carbon and platinotype process. Cost 3/6. With instructions and paper sample packet.
The Kodak Collection at the National Media Museum, Bradford
Parts
Special Akuret actinometer
Special Akuret actinometer, made by Portable Studio Manufacturing Co, c.1900. Printing frame with 21 step wedge, in 3 rows. Used for carbon and platinotype process. Cost 3/6.