From Introduction: "The purpose of this analysis was to investigate the use of function of intake-manifold temperature and pressure, exhaust back pressure, and engine speed in place of a ventri as a means of measuring engine air consumption and to determine if this function is suitable for automatic mixture control."

From Introduction: "The purpose of this analysis was to investigate the use of a function of intake-manifold pressure, exhaust back pressure, intake manifold temperature, and engine speed in place of a venturi as a means of measuring engine air consumption and to determine if this function is suitable for automatic mixture control."

Check written by D. W. Kempner through The United States National Bank of Galveston to Time Magazine for $7.50.

Check written by D. W. Kempner through The United States National Bank of Galveston to Time Magazine for $10.00.

Photograph of S/Sgt. Clarence Alexis, viewed from his left side, standing in front of a piece of equipment during a visit to the Yoder Company plant, holding up a microphone. Alexis is wearing a military uniform and several other uniformed men are visible on the left side of the image, in front of several workers who appear to be watching the speech. A woman's face is partially visible on the right edge of the image.

Photograph of factory workers and visiting soldiers at the Yoder Company plant during a speech by a uniformed soldier, visible from the neck down at the right side of the image, holding a microphone. Four uniformed soldiers are grouped nearby, tentatively identified as Leo Crivello (seated, at left, looking at his hands), Harry Gaby (center) and Louis Cocozza (right) who are standing, and a fourth man who is seated in front of them, facing away. Factory workers are standing behind them, looking toward the camera or watching the man who is speaking, including several who are wearing suits and others wearing work aprons.

Photograph of a man wearing a dark-colored military uniform, tentatively identified as Capt. Gordon Sympson standing with his hands in his pockets between two unidentified men wearing dark-colored suits. They are standing near equipment, visible at left, and are all looking toward the left side of the image. Another man in a military uniform is partially visible behind Sympson, looking toward the flor.

Photograph of Captain Gordon Sympson, viewed from his left side, standing in front of a piece of equipment during a visit to the Yoder Company plant, holding up a microphone. Alexis is wearing a military uniform and several other uniformed men are seated on the left side of the image, in front of several workers who appear to be watching the speech. Part of the factory structure and catwalks are visible in the background.

Photograph of a group of uniformed soldiers standing in two lines during a visit to the Yoder Company plant. In the center of the image, Capt. Gordon Sympson (left) is standing in front of the group with his left arm around Sgt. Jack Allen while he shakes hands with an unidentified man wearing a dark-colored suit (right). The other soldiers are tentatively identified (left to right) as: back row, S/Sgt. Clarence Alexis, Pfc. Leo Crivello, T/5th Lars Larson; front row, Pfc. Harry Gaby, Cpl. Myles Gates, and Pfc. Louis Cocozza.

Group portrait of uniformed soldiers during a visit to the Yoder Company plant, posing together in several lines. They are tentative identified as: Capt. Gordon Sympson (left), Pfc. Harry Gaby (back left), Pfc. Leo Crivello (back center), and left-to-right, S/Sgt. Clarence Alexis, Sgt. Jack Allen, Cpl. Myles Gates, Pfc. Louis Cocozza, and T/5th Lars Larson. A man wearing a suit is partially visible at the far right of the image.

Report describing the industrial area of Cleveland, Ohio including compiled statistics and information about the effects of World War Two on the labor force and industrial expansion of the area.

Photograph of Pfc. Leo Crivello standing next to an unidentified female worker at the Yoder Company plant; both of them are looking down at a series of large metal shells on a table and the worker is holding hose suspended from the ceiling in her right hand. A man wearing work gloves is standing directly behind Crivello, laughing and looking toward the left side of the image; another worker is visible on the right side of the image, looking at mechanical equipment, which is visible in the background.

Letter from Daniel W. Kempner to requesting for twelve 1 oz cans of Zip Grinding Compound.

Letter from Daniel W. Kempner to Zip Abrasive Company asking for supplies for a lawn mower.

Letter from Mrs. Harmon to Mrs. Kempner about the convention in Texas, the units in Texas, and meeting with Mrs. Reed for assistance with organization.

Letter from Zip Abrasive Company to Daniel W. Kempner discussing a previous letter about a compound for sharpening lawn mowers no longer being available and solutions. Attached is a dealer price list.

Photograph of S/Sgt. Louis Cocozza, viewed from his left side, standing in front of a piece of equipment during a visit to the Yoder Company plant, holding up a microphone. Cocozza is wearing a military uniform and another uniformed man is partially visible on the right side of the image; a number of workers are visible in the background, watching the speech.

Photograph of three men standing close together and conversing, in front of large, metallic equipment in the Yoder Company plant. One man (right) is wearing light-colored business clothes and is speaking with his right hand raised; a man in the center is wearing a dark-colored military uniform that appears to have a Marine logo on the cap; at left is a man in an Army uniform, tentatively identified as Sgt. Jack Allen. A worker is partially visible at the far right of the image.

Photograph of several men looking at an extremely large, framed, photographic print on a table during a visit at the Yoder Manufacturing Plant. Two uniformed soldiers are in the center of the photo including Louis Cocozza seated at left, who appears to be writing on the photo and Leo Crivello at center, who has his arm around Crivello. A man wearing a dark-colored suit is standing at right, looking down at the image and other men are partially visible in the background, as well as large, metallic machinery or equipment.

Photograph of nine uniformed soldiers and four men wearing dark-colored business suits posing together around a restaurant table. Six men are seated along the far side of the table, tentatively identified as: unidentified soldier, T/5th Lars Larson, S/Sgt. Clarence Alexis, Pfc. Harry Gaby. Pfc. Leo Crivello, and an unidentified civilian. Two solders are posing behind the seated men, at left, tentatively identified as Sgt. Jack Allen (left) and Pfc. Louis Cocozza (right). The other five men are standing at one end of the table, at the back right of the image, including three civilians at right, and (tentatively), Capt. Gordon Sympson, who has his arms around the men on either side of him, and Cpl. Myles Gates (left). The wall behind them has a series of decorative murals and the photo is in a folder identifying the location as "Herman Pirchner's Alpine Village, Playhouse Square. Cleveland's Only Theatre Restaurant."

Photograph of a group of roughly thirteen men seated around a long table eating a meal during a visit at the Yoder Company plant. The visiting soldiers are wearing military uniforms and the men at the foreground end of the table are wearing dark-colored suits, including a man seated at the head of the table, facing the opposite direction. Various dishes, cutlery, and pitchers are visible on the table, which is covered with light-colored cloth or paper. A map and several posters are visible on the wall in the background and other men appear to be at a table out of view on the right. An unidentified man wearing a lab coat is standing between the tables, facing the back of the room.