1 matching record(s)
file W (Stack)Clifford, C. F.
"Magnetic Escapement Development"
offprint from Horological Journal, vol. XCI, June 1949, pp. 358-359 (3 pages in offprint). B. H. I. Lecture. Presented by C. P. Horstmann Esq.
[1988-151/2]
1949
1 matching record(s)
file W (Stack)Clifford, C. F.
"Magnetic Escapement Development"
offprint from Horological Journal, vol. XCI, June 1949, pp. 358-359 (3 pages in offprint). B. H. I. Lecture. Presented by C. P. Horstmann Esq.
[1988-151/2]
1949