The Manufacture of Light - A Lecture Delivered at the Meeting of the British Association at York #247044 5,85€
Casehardening - Methods Employed in the Automobile, Bicycle, Ball and Roller Bearing and Allied Trades Casehardening Shafting New Case Hardening Methods Casehardening by Gas #268453 5,85€
Change Gear Devices - Showing the Development of the Screw Cutting Lathe and the Methods of Obtaining Various Pitches of Threads #244797 5,85€
