Some of the Developments of Mechanical Engineering during the
Last Half Century. British Association Paper. By SIR FREDERICK
BRAMWELL. The steam engine.--Evaporative condenser.--Steam
navigation.--Marine governors.--Light engines and boilers.--The
Perkins system.--Ether engine.--Quicksilver engine.--Locomotive
engines.--Brakes.--Motors.--Transmission of power.--Compressed
air locomotives.--Hydraulic transmission of power.--Electric
transmission of power.--The manufacture of iron and steel.--
Bridges.--Machine tools.--The sewing machine.--Agricultural
machinery.--Printing machinery. 4968
Amateur Mechanics: Metal turning, 29 figures. Rotary cutters,
12 figures. Wood-working and lathe attachments, 9 figures. 4971