Flap Position Indicator, 0-45 Degrees, Bendix Type 20000-11M-4 Halifax The 80+ page second section

The 80+ page second section describes sighting and sights

Aichi M6A Submarine-launched Attack Seaplane Seiran

which in turn would transmit these signals to smaller repeater indicators located at other positions such as the pilots instrument panel

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in addition to the flight manual's instructions for its use

Flap Position Indicator, 0-45 Degrees, Bendix Type 20000-11M-4 Halifax The 80+ page second sectionThis is a vintage Wing Flap Position Indicator made by Bendix. The instrument is in exceptional condition for its age, likely 1940 50's vintage, likely for a large multi engine aircraft. The dial markings are clear and the glass and case are intact. See photos. Measures 3. 25 inches diameter and ~3 inches deep.