B29 and Saipan World War II Memorabilia Gallery 2
Cover (left) and pages (right) from manual "Sperry Type 'K' Automatic Computing Sights (.50 calibre), Information for Gunners, Operating Bulletin No. 14-227A, August 1942.

Pages from Dick Bastasch's class notes on Sperry Computing Sites (left) and remote control turrets (right)