An Important Improvement in Power's Projector Mechanism
by Herbert Griffin
Reprinted from Transactions of the
Society of Motion Picture Engineers
Vo. XI, Number 32, 1927, pp 793-798
measures: 6 x 9 inches
6 pages illustrated
condition: Aging but clean and intact.
From clean, smoke-free environment.
Please email with questions prior to bid or purchase.
I list honestly, pack carefully and ship same or next business day.
Thanks for stopping by...
Green Barn Collectibles