each

Iron,

de-

and described, 222-224.

drilling machine,

scribed, 205, 206.

engine, illustrated and
described, 185--187.

Hogging of a boiler, 72.
Horizontal engines, single
and double, and the
transmission of power
to main lines and coun-
ter, 168-172.

Horse power developed by one
pound of coal, 51, 52.
heating surface required
for each, 67.

indicated for each pound
mean effective pres-
sure, table of, 261.
table of, 300.
which may be trans-

mitted by single belts
to pulleys, 403-405.
Hot air engine, efficient
power of, 50, 51.
Hydrogen and carbon, heat
given out in burning,

109-III.

Internal tubes in boilers, 70.
of the internal fire
flue boiler, investi-
gation of the, 73,
74.
average breaking and
crushing strains of, 379.
comparative weight of,
with water and with
mercury, xliii.
linear expansion of
wrought, by heat, 71.
pipe, wrought, table of
weight of, 402.

piston, cast, use of, in
England, 148.

plates, wrought, drilling
of, 206.

melt, 57.

140.

191, 192.

Lap, table to find the amount
of, necessary on
the
steam side of a slide
valve to cut the steam
off at various fractional
parts of the stroke, 134.
upon a slide valve, 118-

121.

welded flues, U. S. regu-

lations for, 236-240.

Laps, width of, 212-214.
Latent heat, definition of, 57.
Launch engine, Acme, illus-
trated and described,
335, 336.

stern wheel, illustrated
and described, 339-342.
Launches and yachts, steam,
326-344.

Lead, characteristics of, xlii.
Licensed officers, 250-253.
Linear expansion of wrought
iron by heat, 71.

Line shafting, rules for, not
applicable for engine
crank shafts, 160, 161.
Liquids, weight of, xlvi.
Locating of tubes and flues,
196-200.
Locomotive boiler, defect of,

93.

illustrated and described,
299.

or fire box boilers, porta-
ble with charcoal iron
or steel shells, and steel
fire boxes, 299–302.
Longitudinal seams, double
riveting of, 70.
Lord's compound for neutral-
izing the acids in feed
waters, 364.

Machine designing, 385-390.

value of, 359.

Magnesium carbonate as a
non-conductor of heat,
345-350.
Main crank shaft and driving
pulley, 160-164.

Malleability of matter, xxxiv.
Man holes, stays, hand holes,

side seams, caulking,
etc., 200-202.
Marine boilers, submerged
tube vertical, illustrated
and described, 329, 330.
engine, Willard & Co's.,
illustrated and de-
scribed, 333-335.
steam boilers, affidavit of
manufacturer, 229.
Mass, definition of the term
xli.

Matter, composition of, xxvi
divisibility of, xxvi-

xxviii.

evaporation of, xxviii.
general properties of,
xxvi-xlvi.

solution of, xxvii, xxviii.
Mean pressure, to find the, on
a cylinder, 258-262.
Mechanical equivalent of
heat, 54, 55.
Metals, weight of different,
xlv, xlvi.

Mills, flour and cotton, en-
gines for, 106, 107.
Mineral wool covering, 351,
352.
Mineral wool, influence of, on
iron pipes, 358, 359.
Molecular force evolved in
changing a mixture of
oxygen and hydrogen
gases into ice, 58.

Molecules, xxvi.

Motion curves, illustrated and
described, 130-132.

Mud drums, fitting of, 379.

Packing for piston and stuff-

ing box, 147-151.
Percussion of bodies, heat
generated by, 56.
Peerless marine engine, the,
illustrated and de-
scribed, 336-338.
Pepper box boiler, defects of,
92, 93.
Phosphor-bronze piston, use
of, 147.

Pins, cross head and crank,
construction of, 141,

142.

Pipe covering materials, fires
caused by, 356.
coverings, table of result
of experiments with,
362.
Pipes and valves, feed and
blow-off, 178-181.
Piston and exhaust after ex-
pansion, rule to find
the relative state of, 133.
and piston packing, 312,

313.

147.

rod, best manner of fas-
tening a, to the cross
head, 145, 146.

error of screwing,
into a cast iron
cross head, 144, 145.

Paste thud 153, 264, 25/05, 169,
Piston rod, securing of, to
cross head, 144-

147.
Piston rods, proper material
to be made of, 146.
valve, balanced, 157.
Pistons, error of heavy cast-
ing of, 149, 150.
openings in face of, for ad-
mission of steam, 150.
Pitting of mud drums, 379.
Plate iron, table of weight of,
per square foot, 344.
Plates, steel vs. iron, 191-194.
Polishing and finishing
metals, 394-396.

Poppet valve, single and dou-
ble, 153-155.

Pores, xxix.

Porosity of matter, xxix, xxx.
Port openings, rule for get.
ting the proper area for,
132, 123 267

Ports,

steam and exhaust,
illustrated, 113.

steam and exhaust,
proper standard of, 152,
153. 267

and slide valves, propor-
tioning, 122-126.
Potential energy, 57, 58.
Power, transmission of, to
main lines and counter,
168-172.

Pressure allowable on boilers
built prior to February
28, 1872, 232.
Prevention and removal of
scale in steam boilers,
363-366.
Priming, cause of, 199. 390.
Proportion and construction
of an engine, 140-226.
Proportioning ports and slide
valves, 122-126.
Pulleys, rule for calculating
speed of, 397-399.

Ratio of Experia, 169,
Reed's pipe covering, 352.
Regulation of speed, 99, 100.
Releasing gear, illustrated

and described, 305, 306.
Repulsion, xi, xxxi, xxxii.
Riveted flues, U. S. rules for,
233-236.
joints, breaking strains
of, 69.

a

illustrated and de-
scribed, 78-85.
Riveting and staying, 207-209.
button set, illustrated
and described, 301, 302.
Rivets, area of, holding crow
feet to boiler heads, 84.
spacing of, 212–214.
Rotative pressures from
pair of cranks at right
angles, illustrated and
described, 107, 108.
pressure, uniformity of,
by a pair of cranks at
right angles, 107.
Rubbers on band saw wheels,
direction for putting
011, 400.

Safety valves, errors in use
of, 183, 184.
Saturated steam, properties
of, 367.
Saw blades, directions for
brazing, 399.
Scale in steam boilers, pre-
vention and removal
of, 363-366.
Seam, single riveted, compar-
ative strength of, 77.
Seams, longitudinal, double
riveting of, 70.
transverse, riveting of,
70.
Sectional tube boiler, advan-
tages of, 215-217.
Securing of piston rod to
cross head, 144-147.

415
79

Settings for boilers, 174–178.
Setting up steam engines,
187-191.

Shaft, crank, errors in the
construction of, 142.
Sheet iron, galvanized, table .
of weight of, 344.
Shells and tubes, 221-226.
Side seams, man holes, stays,
hand holes, side seams,
caulking, etc., 200-202.
Single and double horizontal
engines, and the trans-
mission of power to
main lines and counter,
168-172.

riveted seam, compara-
tive strength of a, 77.
Slack, value of, 384.
Slide valve, how to set, illus.
trated and described,
135-139.
valves, 112-121.
valves and ports, propor-
tioning, 122-126.
Slides, hot journal, loss from,

374, 375.

heating, 380, 381.

heat units required to
convert boiling water
into, 57.

jacketing, 151, 152.

launches, sizes, 343.
lead, 167.

packing, self-acting, 148,
149.

ports, proper standard of,
152, 153. ; 7

requirements of, 97.
pressure, allowed on boil-
ers, table of, 250.
release of, 115.
saturated, properties of,
367.

table of mean pressure of,
at different rates of ex-
pansion, 260.
valve, perfection of, 114.!

and described, 327, 328.
yachts and launches, 326-