A Proposed New Method of “timing” Negatives

In presenting this paper to you, we are fully conscious of the fact that some of the apparatus which will have to be used in connection with our idea has not yet reached the final stage of development. Thus far, we have produced operative apparatus only, but rapid improvements are being made, and we are assured by those immediately concerned that this improved apparatus will be available very shortly.

Print ISSN

0097-5834

Published

1930-08

Content type

Original Research

DOI

10.5594/J14790