A loose leaf diary detailing WD Walker's daily life including study, medical duties, travel and personal routine.

This part of the loose leaf diary documents WD Walker's interest in photography.

Individuals, subject matter and locations noted include:

• Various formulae; flash powder; Glazing solution. Reverse Acid fixing and hardening bath
  
  
• Observations on various papers for contacts and enlargement, Kodak v Agfa film. Horton, Smith & Willis ukLondon; Selection of paper for printing: enlargements, auto focus, contacts, gas light. Reverse observations Kodak, Agfa