Some Considerations in Spotlighting

Ahasty review of the history of spotlighting reveals the fact that progress in this branch of light projection has been confined almost entirely to the mechanical side of the problem; the principal exception being a substitution of the electric arc for the earlier sources of lesser brightness.

Print ISSN

0096-6460

Published

1926-10

Content type

Original Research

DOI

10.5594/J06632