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AND THOROUGHLY INTERCHANGEABLE, Plan, Materials, Workmanship, Finish and Efficiency FULL P G UARA AVTEED

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Cranes. Wm, Sellers & Co......... * Philadelphia, Pa............ See Page 64 Wm. B. Bement & S n.................................. { % “............ “ 168 Crestings. J. D. West & Co....... New York........ & a s e s e e s e e ....See Page 56 Crossing and Frogs. Anderson & Woods....................................... Pittsburgh, Pa............... See Page 150 The Atlas Works.......................................... { % “............... . “ 172 - Crow-Bars—Iron and Steel. Anderson & Woods Pittsburgh, Pa............... See Page 150 G. B. Walbridge New York................. ..... { % 130 Hermann Boker & Co................ .................. “ “............... See Pages 152, 154 Providence Tool Co; H. B. Newhall, Agent..... “ “....................... See Page 166 Reese, Graff & Woods........................... ....... Pittsburgh, Pa........ $ e s • * * * § { 68 Crucibles. Du Plaine & Reeves.....................................Philadelphia, Pa.............. See Page 102 Van Tuy) Manufacturing Co...........................New York...................... • { 242 crude Gutta Percha for cement. Bishop Gutta Percha Works New York..................... Sec Page 34 - Cupola Linings. . Hall & Sons ....Buffalo, N. Y.................. See Page 254 Maurer & Weber............... ë e < e < * * * é à e s • e s = < e < * * * * * * * New York......... • e o so g o os e < e < e s to {{ 228 Philip Neukumet.........................................Philadelphia, Pa............. “ 104 Star Fire Brick Co.........................................Pittsburgh, Pa............... “ 232 DRIVING WHEELS. . Number of Revolutions per Mile.

Diameter of Wheel...... 2 ft. ... 2% ft. ... 3 ft. ... 3% ft. ... 4 ft. ... 4% ft. ... 5 ft. Revolutions per Mile... 840 ... 672 ... 560 ... 480 ... 420 ... 373 ... 336 Diameter of Wheel...... 5%ft. ... 6 ft. ... 6%ft.... 7 ft. ... 8 ft. ... 9 ft. ... 10 ft.

Revolutions per Mile... 305% ... 280 ... 258%. 240 ... 210 ... 187 ... 168 WELOCITY AND FORCE OF THE wiND.

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Dissolve the beeswax in spirits of turpentine, with a gentle heat, and mix the paint warm. Second. Add 12 ounces of beeswax to one gallon of linseed oil, boil it two hours; prime the cloth with this mixture, and use it in place of boiled oil, for mixing the paint.

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Car Wheel
Boring Mills,
Wheel Presses,
Scrap Shears,
Punch and Shears,
Vertical Drils,
Cutting Off
Machines,
Radial Drills,
Steam Pumps,
Portable Hoisters
Portable Drills,
Agricultural
Engines,
Shafting, Hargers,
Pulleys, Belting,
&c., &c.

ISAAC. H. S.HEARMAN,

/32 North Third St., and 30/ Cherry St.,
P H I L A D E L P H I A,

MACHINERY COMMISSION HOUSE,

Steam Engines, Boilers, MACHINISTS TOOLS,

S IF E C I A- T, T I IE S Warren’s Shaper. Schlenker’s Bolt Cutter. Durrell’s Nut Tapper (Taps 7 Nuts at Once.) - Barr's Radial Drill. IIeavy Lathes, Adapted to Itailroad Work.

AND

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. Cupolas. Wm. B. Bement & Son................... Philadelphia, Pa.............. See Page 168 Wm. Sellers & Co......... e e o e o e to * to o e o 'o & & © to to e o e o os e e o go to $ to s g & 6 “.............. & & 64 Cutlery. England & Bindley Pittsburgh, Pa. ........... ...See Page 162 G. B. Walbridge......................... • . . . . . . . . . New York...................... {{ T3() Hermann Boker & Co - { % “ ............ ...See Pages 152, 154 Pratt & Co Buffalo, N. Y.................. See Page 132 Cutting Nippers. Biddle Manufacturing Co.............................. New York.................... ..See Page 12 Cyliriders. The Atlas Works....... .................................. Pittsburgh, Pa............... See Page 172 Cylinder Boring and Facing Machines. Wm. Sellers & Co......................................... Philadelphia, Pa............ See Page 64 Dating Machines. Allen, Lane & Scott....................................... Philadelphia, Pa. ......... See Page 90 Mathiesen & Schrader New York..................... & 4 82 - Depot Scales. Buffalo Scale Company.................................. Buffalo, N. Y.................. See Page 4s) Jones Scale Works........................................ Binghamton, N. Y.......... & 92 Derricks. Skinner & Gifford Manufacturing Co.............. Dunkirk, N. Y............... See Page 140 STEAM.

THE ELASTIC FoRCE of STEAM AND CoRRESPONDING TEMPERATURE of THE WATER WITH WHICH IT IS IN CONTACT.

(From Haslelt.)

3 . © to &–4 so *—t e CD “- &=7 p * ; :: 25°s #: s 5 #3 e5's. ##: °E £ 3 ... E = a - 3: ā o go! § 3 - 5 = 5 s 3: ; .* P : * o.o. o c * { •o P, to go on .d c § 9 : E : ; # To go "c of 2 go 35 ; : £ 3 92 – S : #3 ## #### #####| #3 ### #### 5 ; ; ; ; wo - ga q} 5 Qi.) ~ $ : co ra to a q) *"... ..o. o – o co £3 ### isão; 3% ###|## ### = sāā ā#### lbs lbs. 14.7 ... 30.00 ... 212.0 ... 1700 68 ... 138.72 ... 304.4 ... 419 15 ... 30.60 ... 212.8 ... 1669 70 ... 142.80- ... 376.4 ... 4-8 16 . ... 32.64 ... 216.3 ... 1573 72 ... 146.88 ... 308.4 ... 398 18 ... 36.72 ... 222.7 ... 1411 74 ... 15096 ... 310.3 ... 388 20 ... 40.80 ... 228.5 ... 1281 76 ... 155.16 ... 312.2 ... 379 22 ... 44.88 ... 233.8 ... 1174 78 ... 159.14 ... 314.0 . . 370 24 ... 48.96 ... 23 .7 ... 1084 . 80 ... 163.22 ... 315.8 ... 362 26 ... 53.04 ... 243.3 ... 1007 82 ... 167.3 ) ... 317.6 ... 354 28 ... 57.12 ... 247.6 ... 941 84 ... 171.38 ... 319.3 ... 346 30 ... 61.21 ... 251.6 ... 883 86 ... 175.46 ... 321.0 ... 339 32 ... 65.28 ... 255.5 ... 833 88 . . 179.54 ... 322.6 ... 332 34 ... 69.36 ... 259.1 ... 788 90 ... 183.62 ... 324.3 ... 325 36 ... 73.44 ... 262.6 ... 748 92 ... 187.70 ... 325.9 ... 319 38 ... 77.52 ... 265.9 ... 712 94 ... 191.78 ... 327.5 ... 313 40 ... 81.60 ... 269.1 ... 679 96 ... 195.86 ... 329.0 ... 307 42 ... 85.68 ... 272.1 ... 649 98 ... 199.92 ... 330.5 ... 301 44 ... 89.76 ... 275.0 ... 622 100 ... 204.'''1 ... 332.0 ... 295 46 ... 93.84 ... 277.8 ... 598 110 ... 224.40 ... 339.2 ... 271 48 ... 97.92 ... 280.5 ... 575 120 ... 244.82 ... 345.8 ... 251 50 ... 102.00 ... 283.2 ... 554 130 ... 265.23 ... 352.1 ... 233 52 ... 106.08 ... 285.7 ... 534 140 ... 285.61 ... 357.9 ... 218 54 ... 110.16 ... 288.1 ... 516 150 ... 3 6.3 ... 363.4 ... 205 56 ... 114 24 ... 290.5 ... 500 160 ... 326.42 ... 368.7 ... 193 58 ... 118.32 ... 292.9 ... 484 170 ... 346.80 ... 373.6 ... 183 60 ... 122.40 ... 295.6 ... 470 187 ... 367.25 ... 378.4 ... 174 62 - ... 126.48 ... 298.1 ... 456 19) ... 387.61 ... 382.9 ... 166 64 ... 130.56 ... 300.3 ... 443 200 ... 408.04 ... 387.3 ... 158. 66 ... 134.64 ... 302.4 ... 431

MATHIESEN & SCHRADER, |||||}|, || || || |||||||}.

S T E E L D | E S, Soap Stamps and Stamps of Every Description

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This Seal Press is the Steadiest Working Press in the United States.

Głłr Whools all Pillills Cli, all fill kills Of TWDB WilBBS ElgsåWBl, 142 FULTON STREET, NEW YORK.

CHARLES MATHIESEN, Engraver. Jon N SCHRADER, Machinist.

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