America Had No Domestic Industrial Diamonds in 1941 — So GE Synthesized Abrasives

No 6207 A Study in Steel 1935

Hull Assembly Begins | Beau, Glen & Jess on the KV-1S

Why Cold Drinks Were Lethal before 1914

America Had No Naval Mines in 1942 — So Naval Ordnance Laboratory Mass Produced Magnetic Mines

В 1940 году в Америке не было магния, поэтому компания Dow добывала его из морской воды.

America Had No Gas Masks in 1941 — So Mine Safety Appliances Designed High Filter Protection Units

America Had No Aviation Tires in 1940 — So Goodyear Engineered Reinforced Aircraft Rubber

Britain Had No Molybdenum for Gun Barrels in 1941 — So Vickers Extracted It From Scrap Mining Drills

America Had No Propeller Blades in 1942 — So Hamilton Standard Carved Them From Laminated Birch

Inside the A-10 Warthog

America Had No Helium in 1918 — So the U S Navy Perfected Helium Extraction from Natural Gas

Единственный в мире танк отлитый целиком КАК СТАТУЯ. Австралийский "Страж"

The LORAN Secret: How 100 kHz Radio Pulses Navigated 75,000 Allied Ships Without Satellites

Thomas Edison: Lighting Up the World | Historical Documentary | Lucasfilm

Над его двигателем смеялись, но он обеспечил превосходство в воздухе во время Второй мировой войны!

America Had No Silk in 1941 — So DuPont Manufactured Nylon for Parachutes

When German Engineers Tore Apart a Mosquito and Found the Glue Stronger Than Steel

“Britain Had No Ball Bearings in 1942 — So Factories Invented Roller Alternatives”

Tractor Wars

6 Древних Изобретений, Похожие На Современные Устройства