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Compasses

Printed From: Cross & Cockade
Category: General Discussion
Forum Name: General
Forum Discription: General Discussion
URL: http://www.crossandcockade.com/forum/forum_posts.asp?TID=94
Printed Date: 14 Jul 2020 at 12:05
Software Version: Web Wiz Forums 10.03 - http://www.webwizforums.com


Topic: Compasses
Posted By: NickForder
Subject: Compasses
Date Posted: 21 Jul 2009 at 09:58
In the most recent issue of the Journal, a question was asked about the fitting of compasses (and other cockpit instruments) to Farmans.
 
I have seen plans for the interior of farman nacelles, featuring enormous naval-type compasses mounted between the pilots legs (no worries about the effects of radium then).
 
I am fairly sure that these plans now form part of the Brush archive held by the Record Office for Leicestershire, Leicester and Rutland, Long Street, Wigston Magna, Leicester, LE18 2AH, 0116-2571080.
 
The record office has some very good glass plate negs of Longhorns too, so well worth a visit and, perhaps, an article in the Journal ?
Nick 



Replies:
Posted By: NickForder
Date Posted: 21 Jul 2009 at 10:21
I have two books, both written by Captain F Creagh-Osborne RN, Superintendent of the Admiralty Compass Department, in 18915, entitle "The Magnetic Compass on Land" and "The Magnetic Compass in Aircraft".
 
The latter has chapter headings :
The Magnetic Compass, Description, Errors, Rules for Placing
Practical Use of the Compass in Aircraft
The Adjustment of Compasses in Aircraft
Description of Compasses Used in the British Service
Compasses in Observation Balloons
Variation Chart for Europe in 1914
Example of Form for Entering Compass Errors etc
 
Unfortunately the 'Transparent protractor for use in laying of courses' is missing from the 'pocket at end' for both copies.
 
As the small booklet is less than 40 pages long (including adverts), I'll run it through the copier and send it to Colin to see if it will be worthwhile scanning in at some point and copying for the Journal.
Nick


Posted By: WrightBrother
Date Posted: 21 Jul 2009 at 11:01
Friends,  The RNAS issued a book in 1917, entitled 'Navigation, Magnetism and Deviation of the Compass', 102 pages.  I have a copy and will be happy to look up anything required .  Smile



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