E309. A stereoscope used for studying aerial photos.
E322. A Bakelite bathtub Morse Code key used in allied bombers.
E323. A Morse Code practice buzzer marked A crown M, Ref No 10A/4067, Serial No.
E323. Maker's plate.
E324. A Tester Bonding Ohmeter Type, model Y 10A/55275 made by Vane Electrical Instruments Co Sydney. Stamped AID100.
E324. Label inside lid,
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