Historical Note

The starting point for these exhumed notes from our past technology was, as the author, Harold A. Zahl tells us, his discovery of the 1910 edition of Motion Picture Handbook by F. H. Richardson. Dr. Zahl was until his recent retirement Director of Research at the U.S. Army Electronics Laboratories at Fort Monmouth, NJ. His graduate work in physics was done at the University of Iowa which granted him the PhD degree in 1931

Print ISSN
Published
1969-12
Content type
Original Research
DOI
10.5594/J10767