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Telechron Master A Restore Project
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Telechron Master Type B
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Telechron Master Program Clock 131A Type 1664AR
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Telechron Documents
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Master Clock Collection
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SWCC Clock Collection
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HP 3816A GPS Disciplined Frequency Standard and Time
Display
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HP Time and Frequency Rack
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Self Winding Clocks and Synchronizing
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GPS Clock Status(Z3801A)
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GPS Clock Status (Z3816A)
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GPS 3810 Installation
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GPS Clock Status (Lucent-A 24361)
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GPS Clock Status (Lucent-B 24361)
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Poole Clock
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Meter Clock (with NTP Interface)
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60Hz Frequency Standard
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Crouse Hinds Time Clock
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Silvertone AM-SW Restoration Project
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Mitchell Janoff has been collecting and restoring master clocks,
slave clocks, and precision frequency standards for the past ten
years. His interests are primarily in time keeping and time
distribution with a focus on clocks made by the Self Winding Clock
Company of New York (SWCC). He has over twenty SWCC clocks, all of
which receive hourly synchronization signals from a computer based
"master clock" every hour on the hour. or more information
on synchronizing self winding clock see the 1995 article from the
NAWCC Bulletin
"Self Winding Clock Synchronization".
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