General instrument equipment for aircraft :
1927.

APA Citation

Great Britain. Air Ministry. (1927). General instrument equipment for aircraft: 1927. [S.l.]: H. M. Stationery office.

MLA Citation

Great Britain. Air Ministry. General Instrument Equipment for Aircraft: 1927. [S.l.]: H. M. Stationery office, 1927.

Warning: These citations may not always be complete (especially for serials).