Candle-Powered LED Lantern: an Exercise in Conversion Efficiency

AN/PVS-2 Starlight Scope: Night Vision Comes of Age

Depth Charge Hydrostatic Pistols: Getting That Sinking Feeling

E6B Flight Computer: the Pilot's Best Friend

SHORT: Kodak Disc Cameras

Cold Open Supercut

Mystery Object #5 ANSWER

Mystery Object #5

Metascope Type B: the Dawn of Night Vision

Pelorus, Course Corrector, and Marine Computer: Navigation Essentials

SHORT: Pocket Battery No.1

Crystal Radios: No Batteries? No Problem!

SHORT: Polaroid SX-70 Alpha SE

Minox: the OG Spy Camera

SHORT: a Working Soda Syphon!

Inside the 'Gibson Girl' Survival Radio

SHORT: RCAF Survival Bandolier

Soda Syphons: Breaking Out the Bubbly

Clay Pipe Dating: an Exercise in Industrial Archaeology

Spirit Duplicators: Copies Never Smelled So Good

NBCW/CBRN Accessories: Tools for Survival

SHORT: Hectograph

NBC/CBRN Suits: The Thin Green Line

SHORT: WWII SOE Self-Soldering Sleeves

Canadian Cold War Gas Masks: Breathing Easy on the NBC Battlefield

Mystery Object #4 ANSWER

Mystery Object #4

M256A1 Chemical Agent Detector Kit: Simpler Battlefield Chemistry

WWII Drift Sights: a Grounded Approach to Navigation

Kodak Instant Cameras: a Failed Gamble