Photograph of a Crown Central Petroleum Corporation heater under construction. The structure was built by Alcorn Combustion Company out of Philadelphia, Pennsylvania, with materials provided by John Dollinger Jr., Inc. Scattered construction materials and steel beams are located throughout the site. A ladder is leaning against the left side of the structure. Several men are standing near a building in the far right background. The back of the photo is stamped "Litterst Com'l Photo Co. 2007 Polk Ave. Houston, Texas PR 0703"

Photograph of the inside of a Crown Central Petroleum Corporation heater under construction. The structure was built by Alcorn Combustion Company out of Philadelphia, Pennsylvania, with materials provided by John Dollinger Jr., Inc. Pipes and steel beams are gathered in stacks upon the floor of the structure. Handwritten on the back of the photograph, "Alcorn Combustion Co Crown Central Petroleum Co Pasadena Heater file A2" The back of the photo is stamped "BM Photograph Business Men's Studio Beaumont, Texas"

Photograph of a section of a Crown Central Petroleum Corporation heater under construction. The structure was built by Alcorn Combustion Company out of Philadelphia, Pennsylvania, with materials provided by John Dollinger Jr., Inc. Two workers are at the top of the structure, each wearing a hard hat. The back of the photo is stamped "BM Photograph Business Men's Studio Beaumont, Texas"