413.77: Signaling Instruments, Supplies and Equipment - Air Raid Warning Devices, Ground Lights, Heliographs, Indicators and Signal Lights, etc., Binder No. 1, 1 Jan 1949 - 31 Dec 1950

Text on matters pertaining to the revision of methods of signaling to ships with air warning signal lights (Japanese). Report No. 4ww, USSBS Index Section 2

413: Tools, Instruments and Machines, [etc.], 1 Feb - Dec 1950

Information on production, employment, air-raid damage, plant organization, supplies and machine tools. Report No. 33a(1), USSBS Index Section 2

Reply to USSBS questionnaire covering production, employment, supplies and suppliers, growth, expansion, relationship to government, organizational charts by department, air-raid data, dispersal. Report No. 16g(1), USSBS Index Section 2