Photograph of a heating unit under construction at a factory in Hobbs, New Mexico. The unit was built and installed by Alcorn Combustion Company out of Philadelphia, Pennsylvania, using materials provided by John Dollinger Jr., Inc. The steel framing of the structure is photographed having further steel materials placed within it. Factory buildings and piping systems can be seen in the background. Written on the back of the photo is "May 11, 1956 Job #749 Hobbs, N. Mex."

Photograph of construction of a Magnolia Petroleum Company building, being built by Alcorn Combustion Company, showing a steel structure by John Dollinger Jr., Inc. Two men are standing near the structure on the left and another is on the far right side of the photograph. Two workers can be seen within the building on the left, each wearing a hard hat. A crane at the top of the structure says "The Lummus Company." Several stacks of lumber are seen scattered in areas around the site. John Dollinger Jr., Inc. also provided breechings and a stack for a heater for the project. Handwritten on the back of the photo, "H catin Steel - Magnolia Petroleum Co. Alcor" Stamped on the back of the photograph is "BM Photography Business Men's Studio Beaumont, Texas"