1 matching record(s)
file Q (Stack)Boullin, D. J.
Cecil Frank Clifford, 1903-1995, FBHI BSc MIEE, BHI Silver Medalist, inventor of the magnetic escapement
Offprint from Horological Journal, September 1995 Presented by A. Simcock.
[2009-13]
1995
1 matching record(s)
file Q (Stack)Boullin, D. J.
Cecil Frank Clifford, 1903-1995, FBHI BSc MIEE, BHI Silver Medalist, inventor of the magnetic escapement
Offprint from Horological Journal, September 1995 Presented by A. Simcock.
[2009-13]
1995