October 13, 1936* 
Or. Lyman J, Briggs, Director 
Bureau of Standards, 
Washington, D.C. 
Attentions Dr. Brurabacher, 
Aeronautical Instruments Division, 
Dear Dr. Briggss 
Please accept ay thanks for your prompt attention 
to ay request for the calibration of a Kollsaan sensitive 
altimeter. The instrument has just come to hand, and I 
appreciate the report that accompanies it. 
Sincerely yours, 
A. fVETM ORE 
Assistant Secretary. 
Ip 
