Minifon Mi51 & P55 Wire-recorders, for details see http://www.vk2bv.org/radio/p53.htm 
Mi51 - Showing external bakelite case. It was originally supplied with a leather zip case.
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Mi51 - Showing external bakelite case. It was originally supplied with a leather zip case.
Viewed: 3314 times.

Mi51 - manufatured by Protona of West Germany, this one was imported to the US by Geiss-America of Chicago.
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Mi51 - manufatured by Protona of West Germany, this one was imported to the US by Geiss-America of Chicago.
Viewed: 2982 times.

Mi51- other end showing volume control, on/off pull switch and mike socket.
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Mi51- other end showing volume control, on/off pull switch and mike socket.
Viewed: 2983 times.

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.
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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: 3195 times.

Mi51 - another view including inside of cover. This set of mine has 3 DF64 micro-sized valves(tubes) but no batteries.
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Mi51 - another view including inside of cover. This set of mine has 3 DF64 micro-sized valves(tubes) but no batteries.
Viewed: 3022 times.

Mi51 circuit
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Mi51 circuit
Viewed: 1992 times.

Mi51 - item from 1953 magazine showing accessories.
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Mi51 - item from 1953 magazine showing accessories.
Viewed: 3286 times.

P55 with speaker mike - the basic version
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P55 with speaker mike - the basic version
Viewed: 3231 times.

P55 brochure and instructions
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P55 brochure and instructions
Viewed: 2683 times.

Original box for P55 basic set
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Original box for P55 basic set
Viewed: 2729 times.

P55 attache case version with accessories
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P55 attache case version with accessories
Viewed: 2181 times.

P55 attache case version with accessories
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P55 attache case version with accessories
Viewed: 2199 times.

Mi51/P55 watch mike
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Mi51/P55 watch mike
Viewed: 3303 times.

P55 Throat mike to avoid recording vehicle  noise.
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P55 Throat mike to avoid recording vehicle noise.
Viewed: 2787 times.

P55 with case
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P55 with case
Viewed: 1736 times.

P55 open
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P55 open
Viewed: 1710 times.

P55 close up
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P55 close up
Viewed: 2013 times.

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