Ervin Earl Putnam's World War I diary April 1918

Ervin started to take notes on his X-Ray training in his diary at the end of March into April. I have tried to include them but left the dates out as they seemed irrelevant.

• 140 v. a.c. Idle
• 117 V. a.c. Load
• Gives 5 M.A.
• For Flouriscopic
• For pictures
• 160 v. a.c. Idle
• 117 v. a.c. Loaded
• Gives 10. M.A.
• Distance 20”
• Exposure formula
• If two bodies are in the same plane they have the same shadow traverse. Conversely.
• Triangular Methode
• Tube shift 10 c.m.
• Traverse shadow is opposite direction
• Localizating
• 10 base is to other
• 2 base as anodal tube
• Distance miners x is to x

• Strolls Method
• 1. Determine vertical ray. 2. Determaine anode-plate distance which should be 60 c.m. 3. Place plate on table and place marker at place where vertical ray passes. 4. Make setting to be 10 c.m. Tube shift.
• Place patient so foreign body will not lie in plane of tube shift.
• With indicator in position place central ray over marker.
• Expose
• Move tube 5 c.m. to left and mark skin. Move to

• Saturday April 20th, 1918:
• Received orders to go to Army Med. at Washington, D.C. at 11-30. Leaft on 7:30 train.
• Sunday April 21st, 1918:
• Reported to school at 12-30.  Then wandered around city.  British aviator flies around monument.

• Monday April 21st, 1918:
• First class 9- to 1030 Drilled on capitol grounds till 12. Reported back at 1
• Tuesday April 23rd, 1918:
• Chart of wiring + Chart of Rheostate Buttons.  Finished
• Wednesday April 24th, 1918:
• Organized ball team first practice.
• Thursday April 25th, 1918:
• Plan of dark room finished.  Ruth laws gave exhibitium
• Friday April 26th, 1918:
• Liberty Day. 50,000 people in parade.
• Saturday April 27th, 1918:
• First quiz and ball game in afternoon.
• Sunday April 28th, 1918:
• Went to monument and the National Museum.
• Col. Lee Loops the loop again

• C Hearts Compass right 10 c.m. and mark skin
• Explore in this position
• Make exposures in both places on the same plate.

The transcription I have seems to skill May, 1918 so I will pick up with July in the next post on this.