Two large black and white prints of infrared dryers annotated on recto "Thompson Pipe and Steel Company Bulk Material Dryers Van Dorn Iron Works Company" and bearing on verso the ink stamp of a photographer from Cleveland, Ohio.
Elements area
Taxonomy
Code
Scope note(s)
- Study and application of science
- Scientists, researchers, etc.
- Research, research foundations, and institutes
- Technology schools or programs
- Clubs, user groups, and professional organizations related to science and technology
Source note(s)
- MemoryBC Subject Groups