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Photographic Prints taken by Dr WD and Mrs MV Walker

Archive Collections / Dr William Delano Walker / Series AA357/02 / Photographic Prints taken by Dr WD and Mrs MV Walker

  1. Envelope. Annotated "CZ10 [processing annotation relating to nitrate negatives] . 4. Radon barts opk+2B radium. 1. 4 wks no penny, 2. 2 wks =with penny 3vpk, 3. 2 wks vpk = fog with curve, 4. ?2B= with penny. ?are 2 fortnight negs/same, why 4 wks not so dark. 1 contact with penny strong black and white. Use same developer at same temperature and develop for same length of time; all radium experimental negatives".

  2. Radon. Annotated "2. 4 wks exposure 4/1/31-1/2/31. Penny certainly on the film all the time yet no sign of it on development ?reason".

  3. Radon.

  4. Radon.

Creator: Dr William Delano Walker
Control: AA 357/2/14/49 A-D
Date Range:  1931  -  1931
Quantity:  0.1cm,    
Formats: Loose Photographic Prints
Series:  AA357/02