E309. A stereoscope used for studying aerial photos.

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. A Tester Bonding Ohmeter Type, model Y 10A/55275 made by Vane Electrical Instruments Co Sydney. Stamped AID100.

E324. Label inside lid,