Home / Vintage machine shop manufacturing history projects over the years. / More vintage machine shop manufacturing history projects from over the years. / Another patent history project . 31
Post date / 2021 / February
- A restored Schwarze Electric Company Bell from patent number 1,180,445, circa 1914.
- A restored Schwarze Electric Company Bell from patent number 1,180,445, circa 1914. 3.
- A restored Schwarze Electric Company Bell from patent number 1,180,445, circa 1914. 5.
- A restored Schwarze Electric Company Bell from patent number 1,180,445, circa 1914. 2.
- Brad's restored Schwarze Electric Company Bell from patent number 1,180,445, circa 1914.
- Brad's restored Schwarze Electric Company Bell from patent number 1,180,445, circa 1914. 4
- Page 1 of Rufus Oldenburger's engine governor patent.
- PAGE 10
- PAGE 11
- PAGE 12
- PAGE 13. AIRCRAFT ENGNE CONTROL SYSTEM HISTORY PROJECT.
- PAGE 2. AIRCRAFT ENGINE CONTROL SYSTEM HISTORY.
- Page 2. Hydraulic governor history.
- PAGE 3
- Page 3.