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 Re: TDC on S-class?
Author: Webmaster 
Date:   10-14-06 13:05

The standard method of calculating attack solutions without a TDC or other mechanical computing device was the Mark 8 Angle Solver, also called an Is-Was. This was a circular slide rule, which may be observed in some old photographs, usually worn on a lanyard around the approach officer's neck. Unfortunately, I've never been able to find a detailed close up photograph of one of these.

I don't believe any of the S-boats ever received a TDC installation, mostly, I'd suspect, because there would have been no room for it.

J.T. McDaniel
Webmaster, FleetSubmarine.com
Author of: With Honour in Battle and Bacalao
General Editor: American Submarine War Patrol Reports series
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 Topics Author  Date
 TDC on S-class?  new
Dan 10-11-06 05:16 
 Re: TDC on S-class?  new
Webmaster 10-14-06 13:05 


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