The Engineer 1872/01/12
Main Subjects
- Ammonia as a Motive Power for Street Cars (illustrated)
- Cotton Gin Trials
- Editorial
- Marine Engines in the Navy
- Unarmoured Ships
- Leonard J. Todd - Patent Vertical Boilers (Illustrated)
- Manufacture of Large Masses of Iron in India
- Progress of the Pneumatic Tube System
- Ravenhill, Salkeld and Co - 250 hp Oscillating Engines for HMS Salamis and HMS Helicon (Illustrated)
- Samuel Owen - Letter claiming him as the inventor of the Screw Propeller
- Steel Springs
- Ventilation of Unwholesome Manufactories
- Water Level Alarm Indicator - Frank Milward of Cincinnati