[Boatanchors] Art Collins, Paul Engle & Winfield Salisbury trip in "27 does diary exist?

[Ed via Boatanchors]

Art Collins, Paul Engle & Winfield Salisbury trip in "27 does  diary exist? 
 
( yea posted to Collins  board  but they don't  know   everything  so maybe 
someone here   has an angles on  this)
 
Are there more  photos than the ubiquitous one  we  always see of the  
three guys?re- below....
 
 In 1927, he and two friends organized an  expedition of sorts of their 
own. Collins, Paul Engle, and Winfield Salisbury  outfitted a truck with short 
wave transmitting and receiving equipment and took  a summer trip to the 
southwest states. Using power of 10 watts they conducted  experiments in 
connection with the U.S. Naval Observatory in Washington, D.C.  Leo Hruska stayed 
behind in Cedar Rapids to operate the base station for the  study.
 
Thanks Ed Sharpe archivist  for  SMECC