1 matching record(s)
file W (Stack)Ward, F. A. B.
"A Mean Sidereal Time Clock"
photocopy of offprint from Horological Journal, November 1946, pp. 466-467.
[1981-31]
1946
1 matching record(s)
file W (Stack)Ward, F. A. B.
"A Mean Sidereal Time Clock"
photocopy of offprint from Horological Journal, November 1946, pp. 466-467.
[1981-31]
1946