Heliograph and material bag; Unknown; c.1939-1945; 2005_229

Name/Title

Heliograph and material bag

About this object

Metal mirror with instructions for use on back. Canvas bag to hold above with little ties. Donor was a pilot and the mirror was used to signal for help.

Maker

Unknown

Date Made

c.1939-1945

Medium and Materials

canvas

Measurements

5cm square

Subject and Association Description

WW2 Heliograph and material bag

Credit Line

Ted Edwards

Object Type

heliograph

Object number

2005_229

Copyright Licence  

All rights reserved

Richard Fowell 30 Dec 2011 05:22 AM,UTC

The "Date Made" range can be narrowed to: c. 1943-1945, because this type of heliograph was not produced prior to 1943. There is a nice set of reports on its development at the UK National Archives ( Piece reference AVIA 19/218, "Heliograph mirrors for emergency dinghies") . This is the 2"x2" version for pilots, there was also a 4"x4" version for dinghy kits. Put the (quoted) search string: "AVIA 19/218") into Google to locate the Wikimedia page for the 4" version (File:Signal Mirror British Dinghy Heliograph 4inch 1943.jpg ), which includes a link to the UK National Archives catalog page.

This object is from
Tags
canvas
heliograph
WW2

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