Instruments : Sights, quadrants, and fuze setters, antiaircraft artillery - USA Voorschrift, Technical Regulations, No. 1310-50 Coast Artillery Drills, Part I, Pamphlet No. 5, Instruments in the Battery Observation Post-General, 1938 - Engeland Voorschrift Directions for the Use of Artillery Instruments, Pamphlet No. 14, Sound Ranging Equipment, Miscellaneous, 1946 - Engeland Voorschrift 26/GS Publications/1548 Operator's Manual, Tester, Igniter Circuit (Allegany Instrument Company Model 101-5BF) (4925-712-0205 - USA Voorschrift Technical Manual 9-4925-226-10 The automatic coil winder & electrical equipment co. Ltd. Model 7 universal avometer, Working instructions for the instrument and its accessories Brunson instrument company. "Longer lasting accuracy" Brunson engineer's levels Brunson instrument company. "Longer lasting accuracy" Brunson engineer's transit Brunson instrument company. Kansas city level rods by Brunson Bryans aeroquipment limited. Instrument test equipment Contraves. Servo/test instrument Electronic Instruments ltd. Thechronotron millisecond meter Electronic Instruments ltd. The Chronotron millisecond meter
