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
- PATENT NUMBER 1,180,445. CIRCA 1914.
- PATENT NUMBER 1,180,445
- PAGE 2. AIRCRAFT ENGINE CONTROL SYSTEM HISTORY.
- PATENT 2,530,139. 2 SHEETS-SHEET 1.
- Patent 3,051,138. Sheet 1 of 2. Hydraulic governors.
- PATENT 2,530,139. SHEET 2 OF 2.
- Page 1 of Rufus Oldenburger's engine governor patent.
- PAGE 5
- PAGE 4
- Brad's restored Schwarze Electric Company Bell from patent number 1,180,445, circa 1914.
- PAGE 3
- PAGE 7
- A restored Schwarze Electric Company Bell from patent number 1,180,445, circa 1914. 2.
- PAGE 8
- A restored Schwarze Electric Company Bell from patent number 1,180,445, circa 1914. 3.