Integrating Apparatus. 5023

A Canal Boat Propelled by Air. 5023

Head Linings of Passenger Cars. 5023

Improved Mortar Mixer. 2 figures. 5023

Practical Notes on Plumbing. By J.P. DAVIES. Figs.
37 to 53. Tinning iron pipes, copper or brass work, bits,
etc.--Spirit brush.--Soldering iron to lead.--Dummies for
pipe bending.--Bends and set-offs.--Bending with water.
--Sand bending.--Bending with balls or bobbins.--Three-ball
or lead driving ball and double ball bending.--Bending with
windlass and brass ball.--Hydraulic or cup leather and ball
bending.--Bending by splitting, or split made bends.
--Pulling up bends.--Set-offs.--Bad bends.--Bad falls in
bends.--Bends made into traps or retarders.--Bends made
with the "snarling dummy." 5024

The Grossenhain Shuttle Driver. 1 figure. 5025


II. ELECTRICITY, MAGNETISM, ETC.--The Electro-Magnetic
Apparatus of Dr. Pacinotti. 8 figures. The Pacinotti
electro-magnetic machine of 1860.--The Elias
electro-motor of 1842. 5015

The Elias Electro-Motor. 5016