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 New member Jonk
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 Return to top of page · Post #: 61 · Written at 10:55:18 PM on 12 August 2024.
Brad's avatar
 Brad
 Administrator
 Location: Naremburn, NSW
 Member since 15 November 2005
 Member #: 1
 Postcount: 7395

Document uploaded to Post 60.


‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
A valve a day keeps the transistor away...

 
 Return to top of page · Post #: 62 · Written at 6:19:57 AM on 13 August 2024.
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 Jonk
 Location: Annandale, NSW
 Member since 14 July 2024
 Member #: 2657
 Postcount: 19

Brilliant!
 
 Return to top of page · Post #: 63 · Written at 7:13:46 AM on 13 August 2024.
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 Fred Lever
 Location: Toongabbie, NSW
 Member since 19 November 2015
 Member #: 1828
 Postcount: 1313

Mono sent me another circuit version of a similar radio series 615.
Looks like the same drafts person in style.
Very hard to read as well, probably was a blue print to start off with.
It shows as all black with clear lines showing the circuit.
Might have a go at clarifying it as well.
Fred.
 
 Return to top of page · Post #: 64 · Written at 8:31:50 AM on 13 August 2024.
STC830's Gravatar
 STC830
 Location: NSW
 Member since 10 June 2010
 Member #: 681
 Postcount: 1301

The distintive drafting style, particularly the transformer windings, sent me looking through AORSMs of 1937 and shortly thereafter. The closest was Westinghouse, but there were no drawings that could be said to be the same. Might be of interest if Apollo was linked to Westinghouse.
 
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