Photograph Album of Elliott Dreyer and Related Instruments Volume 2, 1920s

Volume 2 (of 8, the others are 13020, 13022 to 13027). 37 numbered leaves/photos, all naval fire control and related, including 'Wind Dumaresq ...', Battenberg's course indicator, Holland's fuse indicator, electric clock control panel, 'Dr Grey's Gyro Controlled Camera', 'Col Peel's Cypher Machine'; most photographs captioned in manuscript. No dates, list in pocket at back.

Part of a series of 8 albums of photographs of naval fire control and related instruments in research and development stages, 1923-29, together with some photographs of experimental models, prototypes, and laboratory arrangements, and general views of the research laboratories and factory workshops [at Century Works, Lewisham].