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1922: The Model CR-8
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1922: The Model CR-9
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1923: The Model CR-12
Pix courtesy of Frank Hagenbuch
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1925: The Synchrophase MU-1 first version
Pix courtesy of Mike Denman et al
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1926: The Synchrophase MU-1 second version
With single UX socket at the detector
Pic courtesy of Robert & Judy Luedeman
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1926: The Model CR-18 with coils
Pix courtesy of Ron Woods
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1927: The Synchrophase 7
Pix courtesy of Dave McClellan
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