Table by which to ascertain
the amount of lap nec-
essary on the steam
side of a slide valve to
cut the steam off at

various fractional parts
of the stroke, 134.
by which to find the rela-
tive state of piston and
exhaust after expan-
sion, 133.

of hardness of substances,
xlviii, xlix.

of horse power, 300.

of horse power which
may be transmitted by
open single belts to
pulleys running 100
revolutions per minute,
403.
of indicated horse power
for each pound of
mean effective pres-
sure, with different di-
ameter and speeds of
pistons, 261.

of mean pressure of steam
at different rates of
expansion, 260.

of specific gravities, 377,
378.

of steam pressure allowed
on boilers, 250.

of strength of substances,
xlvi-xlviii.

of transmitting efficiency
of turned iron shafting
at different speeds, 401,

402.
of weight of different sub-
stances, xlv, xlvi.

of plate iron, 344.
of round and square
iron, 344..
of wrought iron pipe,
402.

per square foot of

galvanized sheet

iron, 344.

Tables of condensation in dif-
ferently covered pipes,
354, 355.

Tandem compound condens-
ing engines, illustrated
and described, 317-325.
Tangential pressure on the
crank of a direct acting
engine, illustrated and
described, 107.

Tapping cast iron for stud
bolts, 172-174.

21

Temperature of fire, 384, 385. of cleus gue
Temperatures, initial and ter-
minal, 88, 89.

Tempering points of tools,
399.
Template of anchor

bolt
holes, illustrated and
described, 188-190.
Tensile strength of a bar of
iron, 77.

Theory of the steam engine,
50-58.
Thermal unit, mechanical
equivalent of a, 55.
Thickness of shells, 209-214. 19
Tin and copper combinations
of, xxxvii.

Tools, tempering points of,

Volume of air of dif left
of, illustrated and de-
scribed, 124-126.

Valve, without a lap, illus-
trated and described,

119-121.

Valves and pipes, feed and
blow off, 178–181.
balanced, 98.

slide, 112-121.

steam and exhaust, 153-
157.
Vertical marine boilers, made
by Chas. P. Willard &
Co., 331, 332.
tubular boilers, U. S. re-
striction in use of, 242.

Walls for shell tube boilers,
175, 176.

Waste of fuel, modes of, 63,
64.

steam, release of, 117, 118.
Water, balancing equivalent
to air, 65.

boiling, heat units re-
quired to convert, into
steam, 57.

drops of, in a gallon,
xxviii.

tube sectional boiler,
Babcock & Wilcox, il-
lustrated and described,
224-226.

into the, 114.