- Humble Oil research lab testing, 1940s
- Float Carrying Humble Oil & Refining Company Pioneers Club Members
- Tour caravan headed to Humble Refinery for Billion Gallon Day
- Glass blowing exhibit at Billion Gallon Day
- Flame throwers at Billion Gallon Day
- Last minute check before opening refinery exhibits
- Fluid catalyst cracking process exhibit at Billion Gallon Day
- Plant protection forces exhibit at Billion Gallon Day
- Pipe line system exhibit at Billion Gallon Day
- Tuolene Manufacturing Process exhibit at Billion Gallon Day
- Distillation unit at Baytown Ordnance Works, 1945
- Humble's Baytown technical (refinery) library, 1942
- Hydroformer at Baytown Ordnance Works, 1945
- 3,000 witness first performance at ball park at Billion Gallon Day
- Baytown Humble Oilers, 1945