Exposure meter by K.G. Corfield, c. 1945
Enlarging exposure meter in box, made by K. G. Corfield, c. 1945.
Enlarging exposure meter in box with instructions, made by K. G. Corfield, c. 1945.
Enlarging exposure meter in box, made by K. G. Corfield, c. 1945.
Instructions of enlarging exposure meter (Y1981.1.1), made by K. G. Corfield, c. 1945.