This is a World War II-era technical manual for the 75mm Howitzer. It contains information on use, maintenance, assembly, and other aspects of this weapon.
"This manual is designed as a text for the instruction of airship student pilots .... to give the knowledge of aerodynamics essential to the operation of [lighter than air aircraft]."(Page 2.)
Red and white text, with a civil defense insignia in the middle of the poster. Civil Defense insignia is a red "CD" in white triangle on a blue circle.
A sailor in a white uniform uses a wrench on a large weapon or equipment. A blue border with white stars surrounds the top and sides of the picture. The bottom half of the poster is red, with white and blue text.
Image of a man in cap and overalls, with outstretched arms and legs. In one hand he holds a U.S. flag; his other hand and leg are chained to a swastika-inscribed ball. One side of his face smiles; the other side is weary. The poster background is also split in two halves: On the left is a landscape of farm lands, industrial smoke stacks, and skyscrapers; on the right is a dark barren landscape.
In the sky, a giant hand wearing a work glove puts dollar bills into a giant savings bond bill which is shaped like a funnel. The base of the funnel points toward a group of military tanks on the ground. Four airplanes fly in formation over the tanks.
A Chinese man in military uniform and cap looks toward the sky. Several tiny planes circle him. The planes and his cap bear the 12-pointed sun symbol of the Chinese forces. Near the right edge of the poster are four Chinese characters in red. The characters roughly translate as "Unite Against the Enemy and Rebuild Our Nation."
Color poster of Chinese soldier in a green uniform, walking behind a woman holding the hand of child. Both the woman and child are dressed in plain blue traditional Chinese clothing. The woman's arm is in a sling and a bloody bandage can be seen on her wrist. The poster background is bright yellow.
Poster is in red and blue against an off-white background. A sailor is welding a large piece of metal. He wears goggles and welding gloves and a sailor's cap. Centered on the lower border of the poster is a small picture of a ship at sea.
A sailor in a Service Dress Blue uniform carries a large white sea bag on his shoulder. He appears to be boarding a ship. Planes fly in the sky above him, some in formation. A large ship can be seen in the background.
The Four Freedoms, printed in red and black, with President Franklin D. Roosevelt's signature at the bottom. Beneath this is a border of red with white stars.
A neatly-dressed man looks at the viewer as he steps up into a tractor. To the left of the photo there is an extended text where he describes himself as an American son of immigrants "born on the other side" and tells of his family's dream to live in peace and prosperity. At the bottom of the poster is a box that lists the financiers of the advertisement.
This report discusses these topics: I. Principles of heat treating -- II. Heat-treating equipment -- III. General heat treatment of steel -- IV. Specific heat treatments for aircraft steels -- V. General heat treatment of aluminum alloys -- VII. Hardness testing -- VIII. Magnaflux inspection.
Small banner has a border along the top and bottom margins in a red, white, and blue "stars and stripes" design. In the middle is a slogan in blue: "Keep 'Em Flying!"
An optical illusion. From far away, the image looks like a portrait of Uncle Sam. A close-up view reveals a grouping of images depicting the war effort, including a soldier, a sailor, a pilot, a smelter worker, a scientist, a nurse, a farmer, factories with smokestacks, a battleship, the U.S. Capitol building, and U.S. flags. In the lower left corner is the text of a poem by Jack Childs.
Black & white photographs superimposed on a large U.S. flag design. In the blue area of the flag is a photograph of a man in a shirt and tie, who appears to be working on or using a gun sight. In the red striped areas of the flag are photographs of a group of soldiers operating a large artillery gun.
Black & white photographs superimposed on a U.S. flag design. In the blue area of the flag is a photograph of a mechanic working on an airplane propeller. In the striped area of the flag are photographs of U.S. Army airplanes flying.
Black & white photographs superimposed on a U.S. flag design. In the blue area of the flag is a photograph of a group of men wearing welding helmets and carrying lanterns on long cords over their shoulders. In the striped area of the flag are photographs of PT boats.
Black & white photographs superimposed on a U.S. flag design. In the blue area of the flag is a photograph of a welder at work. In the striped area of the flag are photographs of a military tank with a soldier aiming a gun from the top of the tank.
Recruiting poster for U.S. Army Air Corps. The words, "Let's go! U.S.A. Keep 'em flying!" in red form a circle around a blue silhouette illustration of three planes flying, and the caption "Uncle Sam needs pilots, be a U.S. Army Flying Cadet".
On the right is an aerial photo of farmland. Below the photo are three pamphlets about soil conservation, with a box reading "Many government pamphlets are available on request." On the left is the title and above the title a blank box with small letters reading, "Use this space to list your available reading material."
Color image of a soldier in an early World War II U.S. Army uniform and helmet, carrying a rifle. The soldier smiles as he walks. The background of the poster is blue.
The upper half of the poster shows a painting of a large U.S. battleship, with additional ships seen in the background. In the lower half of the poster, to the left of the poster caption, is a small image of a naval officer looking through a porthole with binoculars and a sailor in a white uniform steering the ship.
Uncle Sam points at the viewer. Half-length portrait of Uncle Sam, pointing at the viewer as part of the United States government effort to recruit soldiers.
This poster depicts an army of workers marching from "1919" to "1941" alluding to America's military intervention in the First World War and tracing that heritage to the Second World War. In the center is an image of a 1919 letter from Franklin D. Roosevelt, then Acting Secretary of the Navy, to Eldridge R. Johnson, President of Victor Talking Machine Company.
Poster in red, white and blue tones. Uncle Sam shakes hands with a Chinese soldier in uniform. On the wall behind them hang the U.S. and Chinese flags, and a poster of Sun Yat-sen.
Graphic color image against a red background. Two miniature workers labeled "You" and "I" squeeze a caricatured Japanese officer in a large mechanical press.
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