Army plane XL-6, El Segundo, Calif., 1942

3 photographs showing a single-engine airplane, El Segundo, California, 1942 April 28. "Client: Interstate Aircraft & Eng[ineering] Corp[oration], 2600 W[est] Imperial Hi[gh]way, El Segundo; operator's report - name: Cross; 17 original photographs, 1 @ 6.50, 168 @ 4.00; out of city 15 miles - Amount: 70.50; extra charges: 7 albums @1.75 ea[ch = Amount: 12.75; 35 lines of type @ 40 [cents] a line - Amount: 14.00" - on envelope. "Interstate Aircraft and Engineering Corp, Att[entio]n Mr. Walter Hite, [address on Imperial Boulevard and greeting], In accordance with your instructions to Mr. Cross, the following is an itemized account of the work we are now completing for you. [itemization of charges for mockup, blocking, composite work, mounts, negatives, etc.]; [signature typed as] "Dick" Whittington" - carbon copy on letterhead.