[640x418] [1461x955]
Mi51 - Showing external bakelite case. It was originally supplied with a leather zip case.
Viewed: 854 times.
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[640x284] [2000x889]
Mi51 - manufatured by Protona of West Germany, this one was imported to the US by Geiss-America of Chicago.
Viewed: 725 times.
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[640x277] [2021x874]
Mi51- other end showing volume control, on/off pull switch and mike socket.
Viewed: 694 times.
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[640x420] [1847x1211]
Mi51 - internal view showing 1 hour wire spool and the large take up spool which could allow up to 4 hours recording without much speed change.
Viewed: 712 times.
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[501x640] [1525x1950]
Mi51 - another view including inside of cover. This set of mine has 3 DF64 micro-sized valves(tubes) but no batteries.
Viewed: 688 times.
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