Hand wallpaper trimming tool

Magnifying Callipers as used at RAE. memorabilia.

Portable Oxygen Set

Electrostatic voltmeter no 16487.

1913-1947

Pitch tie up attachment to hold gauge to check screw pitch dimensions before and after screw reversal

Magnetic Actuator

Two off liberty engine Oleo magneto spark plugs

Wind tunnel model of a sharp pointed slender ogive shape with small rear fins