Subject: AWD000237a

Full subject data (JSON)

Comments

• by dogbertw

  Diagram of telephone connectivity 25th April 1917

  Posted September 2, 2014 6:50 PM

• by brownfox

  #diagram

  Posted September 21, 2014 10:43 AM

• by Jan_Greenslade

  Telephonic Communications diagram 25 April 197

  Posted October 14, 2014 1:09 PM