Browse Items (12 total)

'Hydrazine', Harpers

Tags: 1950s; 1955; 1955-3-1; Alloys; Chemical Products; Chemistry; Fuel; Fuels; Hydrazine; Isoniazid; Plant growth inhibiting substances; Research; Rockets (Aeronautics); Tuberculosis; United States; Walker, Charles Lester

'The wonderful climate machine', Harpers

Tags: 1950s; 1954; 1954-7-1; Energy Engineering; Engineering; Heat pump industry; Heat pumps; United States; Walker, Charles Lester

'Tomorrow�s helicopters', Harpers

Tags: 1950s; 1953; 1953-5-1; Aeronautics and Aerospace; Engineering; Forecasting; Helicopter transportation; Helicopters; History; Jet helicopters; United States; Walker, Charles Lester

'Map the world', Harpers

Tags: 1950s; 1953; 1953-2-1; Aeronautical charts; Agricultural mapping; Cartography; Earth Sciences; Geography; Great Britain; International map of the world; Latin America; Road maps; Soil mapping; Surveys; Tanganyika; Topographic maps; United States; Walker, Charles Lester

'The man who makes weather', Harpers

Tags: 1950; 1950-1-1; 1950s; Earth Sciences; Meteorologists; Meteorology and Climate Science; United States; Vincent J. Schaefer; Walker, Charles Lester; Weather control

'What�s in the deep freeze?', Harpers

Tags: 1940s; 1949; 1949-6-1; Chemistry; Frozen foods industry; Temperature Research; United States; Walker, Charles Lester

'Too many people', Harpers

Tags: 1940s; 1948; 1948-2-1; Demography; Food supply; Overpopulation; Social sciences; Walker, Charles Lester

'War maps', Harpers

Tags: 1939-1945; 1940s; 1944; 1944-9-1; Cartography; Earth Sciences; Geography; Walker, Charles Lester; World War II

'How the war maps are made', Harpers

Tags: 1939-1945; 1940s; 1944; 1944-8-1; Cartography; Earth Sciences; Geography; Walker, Charles Lester; World War II

'We model our fighting ships', Harpers

Tags: 1940s; 1943; 1943-11-1; David Taylor Model Basin; Engineering; Maryland; Mechanical Engineering; Models; Testing; Trials of vessels; United StatesNavy; Walker, Charles Lester; Warships

'Don�t forget the dirigible!', Harpers

Tags: 1940s; 1942; 1942-11-1; Aeronautics; Aeronautics and Aerospace; Airships; Engineering; Military; United States; Walker, Charles Lester

'The fire front', Harpers

Tags: 1939-1945; 1940-1941; 1940s; 1942; 1942-3-1; Aerial operations; Aeronautics and Aerospace; Bombardment; Civil defense; Engineering; Forecasting; History; Incendiary bombs; London (England); United States; Walker, Charles Lester; World War II