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AN AUTOMATIC DEVICE FOR TAKING MOTION PICTURES AT REGULAR TIME INTERVALS
F. G. Keenen, G. W. Bennett, Wesley G. FranceVolume:
10
Year:
1927
Language:
english
Pages:
3
DOI:
10.1111/j.1151-2916.1927.tb16814.x
File:
PDF, 177 KB
english, 1927