Home / Vintage machine shop manufacturing history projects over the years. / More vintage machine shop manufacturing history projects from over the years. / Vintage manufacturing company history and advertisements along with an odd-ball pneumatic engine governor and obsolete scrap parts. / The first Pneumatic Governor added to the old woodward governor collection. / A Davey Compressor Company patent project. 14
- A Davey Compressor Company patent history project.
- The first Pneumatic Governor added to the collection.
- COMPRESSOR TECH 2 MAGAZINE HISTORY.
- A Davey Compressor Company patent history.
- A Davey Compressor Company patent history project. 2.
- A Davey Compressor Company patent history project. 3.
- A Davey Compressor patent history project. 4.
- A Davey Compressor Company history.
- A Davey Compressor Company patent history project.
- A Davey Compressor Company patent history project.
- Patent number 1,820,732. 4
- A governor patent history project.
- A governor patent history book.
- Documenting governor contraption patents, one page at a time.