The Viaduct Works' Handbook
Forfatter: Henry N. Maynard
År: 1868
Forlag: E. And F. N. Spon
Sted: London
Sider: 108
UDK: 624.3
Being A Collection Of Examples From Actual Practice Of Viaducts, Bridges, Roofs, And Other Structures In Iron; Together With Tables Of Prices, Weights, And Other Information Useful To Engineers In Design And Estimating Wrought And Cast-Iron Work
Søgning i bogen
Den bedste måde at søge i bogen er ved at downloade PDF'en og søge i den.
Derved får du fremhævet ordene visuelt direkte på billedet af siden.
Digitaliseret bog
Bogens tekst er maskinlæst, så der kan være en del fejl og mangler.
94
of the girder overhang one of the projecting slides. The whole
girder is completely rivetted by the machine. A great advantage of
this machine is, that it dispenses with the keeping in stock of a large
number of rivets of various lengths and sizes, the rod iron being the
only material required. As this machine is brought into use it will,
probably, reduce the cost per ton of girder and bridge work, and will
thus extend the use of wrought-iron for building and other purposes.
The price of the machine is £220.
Punching and Shearing Machines, of various sizes, are manu-
. factured at the Viaduct Works. The following sketch represents one
of Kennard’s pattern. It is a powerful machine and is arranged
with skew shears, so as to cut any length of bar, and knives for
cutting angle iron up to 4 inches. The punch has a stop motion,
which can be used at any moment to prevent the punch piercing
should the puncher find his plate not properly adjusted. These
machines have been in use many years, and found substantial, and