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. Intended for use in a projected transatlantic flight in the first large Curtis flying boat (abandoned due to the war). This type of compass was subsequently used in airships during the war. Aluminium was used in its contruction to reduce weight. Bowl:
1914
National Maritime Museum

. Lid for liquid aircraft compass.
1914
National Maritime Museum

. Liquid compass Card White painted mical with black markings, graduated to 1/2 points and to 360 degs. Mounted on black painted float, whcih incorporates two 3.25" (8.2cm) neeedles. Centre of float coned to take pivot, top of cone fitted with jewell
1914
National Maritime Museum

. This achromatic telescope is a heavy-duty instrument for military use. There is a focusing ring towards the eyepiece end and a pointer within the tube for accurate sighting. The body is made of brass and has a sliding shade of laquered brass to prevent
1914
National Maritime Museum

Bare Needle Type. Mining compass in wooden box. Dia. 5.25" (13.4cm) Brass, graduated quadrantally 0-360 degs. Bare needle type. Card fitted with two spirit levels. Two sight vanes (folding). Fitted with vernier for azimuth readings. Hedley type inven
1914
National Maritime Museum

. These heavy prismatic binoculars have a brass body with bakelite eyepieces. Each eyepiece focusses independently and has a choice of two different eyepiece lenses (the larger marked '12x') that rotate into place. There are brass caps and slidi
about 1914
National Maritime Museum

. Card for a boat's compass. Card: A mica card attached to the needles. The card is white with black markings graduated to half points and quadrantally in degrees The degree markings are inverted for use with a prism. Needle: Two edge bar needles
Feb 1914
National Maritime Museum