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Top 10 Exhibits of the 1939 New York World's Fair (Part I)
Civil Defence First Aid Kits: Preparing for Armageddon
Viewmaster: the Victorian Stereoscope Reborn
Uranium Glass: From Bowls to Bombs
Astrograph Mk.IA: Making Aerial Navigation Simpler (?)
Polaroid Cameras Part 2: The Colour Era
CAE 1002 Gammascint: the Geologist's Secret Weapon
Holmes Stereoscope: Cutting-Edge Victorian Entertainment
Mystery Object #7 ANSWER
RCAF Escape Compass: a Guide Behind Enemy Lines
The Princess Mary Christmas Gift Box: a Sentimental Great War Gift
German WWII Mines: The Enemy Below
NDFRS Fallout Reporting Post: a Relic of the Cold War
Trench Periscopes: The Great War Soldier's Best Friend
M256A1 Chemical Agent Detector Kit: Simpler Battlefield Chemistry
H&K L12A1 FAL .22 Calibre Conversion Kit: How to Train and Save Ammo
SCR-578 'Gibson Girl' Survival Radio: Life-Saving Curves
Wire Recorders: the OG Magnetic Recording Technology
Stanhope Viewers: Victorian Portable Peepshows
Crookes Radiometer: a Surprisingly Persistent Scientific Mystery