The San Francisco call., 1901-12-15

capable of rolling a 1A-inch plate.
There is a gang drill for drilling large
boilers on which three men can operate
ing heads-the latest Improved pattern.
Besides there are drills Of all sizes and
kinds, the latest improved types Of beyel
angle and plate shears. post jib cranes
with hydraulic hoists, hydraulic Hanging
clamps and bending machines, bending
slabs, five forges, rivet-heating furnaces,
etc. Outside the building and alongside
the railroad tracks are the plate racks
also tube racks sixty feet long by eighty
feet high.
Air is furnished the forges by No. s
Sturtevant steel pressure blower belted to
the line shaft.
Foundry.
This is steel building practically
matching the boiler shop, which it joins.
1t covers an area of 16Ox178 feet: 1t is
provided with travelling cranes of ample
capacity for handling the heaviest cast
ings. besides various post jib cranes dis
tributed throughout the shop. The prin-
cipal crane has lift of forty feet. The
/ throughout. The molding floor space is
about 20, 900 square feet.
The space for cleaning castings is 40x50
feet and is we'll equipped with emery
wheels, rattlers, scales, etc.
The foundry equipment includes four
cupolas for melting g. iron. with an aggre-
eratory furnace. The core department
contains four core ovens, 12x18 feet. IA
feet high; one core oven 1SX25 feet, IA feet
high: one small core oven with turret and
shelves, and cement core floor 35xS0 feet.
There is a large cupola deck having
ample space for storing material for i'm
mediate use, while adjoining the cupolas
Is room for storing practically unlimited
quantities of pig iron and coke which are
easy of access. Under the cupola plat
forms are large bins with cement G,9 f1oor for
for loan work. The blower plant consists
Of one Root blower No. g. geared to 30
horsepower motor, and one Root blower,
No. 5, geared to 2O-horsepower motor.
Blacksmith Shop.
This shop is intended and designed to
handle all work of that character for both
machine and ship work. The building is
of steel, 5Sx307 feet, and is especially de-
signed as regards ventilation: The sides
and ends are made up entirely of sliding
doors, which can be moved in either d.
rection, securing cool shop in the hottest
weather and allowing large pieces to be
swung in easily or carried out at any
point
The following are among the tools in
cluded:
Hydraulic press for making and weld
ing bands and for drop forging.
Electric beveling machine for angle
iron.
One 3-ton steam hammer.
One 2-ton steam hammer
One 1-ton steam hammer.
One 1500-pound steam hammer.
Two 1100-pound steam hammers.
one DelL manner.
Two 20-ton steam jib cranes.
Two 10 and ton wood jib cranes.
One lotion steel jib crane.
One forging furnace from which the
waste gases are utilized in a steam boiler
for supplying steam to the cranes.
1T also contains bending slabs 45x45 feet;
has a full equipment for forging cranks
and heavy shafting, shipsmithing, ma
chine forgings, etc.
There IS room for forty-five fires ar
ranged along the center and on either
side.
Pipe Shop.
This shop Immediately joins the boiler
shop on the opposite end from the foun-
dry and extends north to the power
house and copper shop. These form the
ends, the sides being open. The roof
covers a space of 133x186 feet, which is
not excessive when we take into consid-
Grafton the fact that the Risdon Iron
Works make more sheet pipe than any
other single firm in the world.
! This shop is also used extensively fol
doing light pipe work. making smoke
! stacks, dredger buckets, etc. Narrow