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Vintage Telephony and Telecomms Vintage Telephones, Telephony and Telecomms Equipment

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Old 25th Mar 2020, 11:27 am   #1
Gridiron
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Default Supply Unit Rectifier No 7 Mk2

I bought this British Army unit at the last Radiophile auction. The army catalogue number is YB07598 indicating telegraphy/telephony use. Inputs are for 100 to 240 volts mains or 12 volts DC using a vibrator, outputs marked +/- 70-100 volts 30 mA DC, 11.5-14 volts 0.2/0.4 amp DC and 33/45 volts 40mA AC. Does anyone know what equipment this was designed to power?
Thanks Mike.
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Old 25th Mar 2020, 3:46 pm   #2
gezza123
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Default Re: Supply Unit Rectifier No 7 Mk2

go here.
https://www.vanzwamcs.com/greenpages..._no_7_mk_2.htm
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Old 25th Mar 2020, 7:20 pm   #3
Gridiron
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Default Re: Supply Unit Rectifier No 7 Mk2

Thanks for the link, so for use with teletype machines.
Mike.
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