Iferch 4, 1927. 
Double&ay-Blll Electric Company, 
715 Twelfth Street, H*¥» 
W»shin&ton, ^.C. 
Cent leraem- 
Harewith I remit #1.11 in payment in full of your 
hill of February 23, 1927, for 12 So* 930 flashlight battery 
colls, purchased by the Smithsonian Institution and delivered 
to Mr, ¥, A* Knowles at the tT« s* Mat ional Museum* 
"v.- 
This material is for use on an expedition financed 
by funds- which have already been turned over to me for said 
disbursement* I am paying the account, therefore, by personal 
check rather than by government check, since this seems the easiest 
way to handle the matter* I am 
Very truly yours. 
Assistant Secretary* 
lp 
