Equipment - HELIOGRAPH MIRROR, Department of Defence, possibly WW2 era

Physical description

Emergency signaling mirror - Ground to Air
.1) Bright polished steel. Cross hairs engraved on reflective surface. Rear face has instructions for use, yellow sticker with black print.
.2) Sight. Long piece with viewing hole at end, painted white.
.3) White cotton container with tie straps.

Inscriptions & markings

.1) On rear yellow sticker / black print: "Instructions for use of Heliograph Mirror & illustration"
.2) Site stamped one side: "27H / 2107"
.3) Faded stencil on flap: "Heliograph"

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