RAF navigator's course & speed calculator in wooden carrying case.
Stores Ref. No. 6B/125. Made by H.T.A. Ltd. Size, 25x13x3cm.
Used during the early part of WW2, and later superceded by the ICAN.
Metal instrument with a top perspex sliding scale, used for calculating couse & speed when taking in to account for wind speed and drift. In an excellent working condition with additional 'utility' pencil stored in built-in holder.
Comes in wooden transit case. Green baize lined with twin brass clasp lid closure, leather carrying handle.
In Excellent condition.
Due to ongoing issues with European Customs, this item is NOT FOR SALE to the EU.
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