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w Badges. L. G. Tillotson & Co....... New York See Page 94 W. W. Wilcox..... .Chicago, Ill.................... {{ 190 Baggage Barrows. A. M. Gilbert & Co....................................... Chicago, Ill.................... See Page 180 W. A. Dobinson & Co.................................... Buffalo, N. Y.......... to e o e o e o o ,' 196 - - Baggage Checks. L. G. Tillotson & Co...................................... New York..................... See Page 94 W. W. Wilcox............................................. Chicago, Ill.................... {{ 190 Baker’s Tile, Philip Neukumet ..............Philadelphia, Pa............. See-Page 104 Ball Pene Hannnners. Hermann Boker & Co............................?......New York.............. See Pages 152, 154 Nelson Tool Works......... ............................. “ ..................... See Page 30 Band Saws. Buffalo Machinery Agency........................... Buffalo, N. Y................. See Page 160 C. Van Ness.............................---............... New York...................... £ & 70 J. A. Fay & Co.............................................. Cincinnati, Ohio. ............ {{ 206 J. T. & R. H. Plass........................................ New York..................... {{ 208 Richards, London & Kelley........................... Philadelphia, Pa............. & 6 66. Vose, Dinsmore & Co.................................... New York..................... 6 & 60 Band Sawing Machines. J. A. Fay & Co.............................................Cincinnati, Ohio............ See Page 206 J. T. & R. H. Plass....... ............................... New York..................... “ 208 Richards, London & Kelley........................... Philadelphia, Pa............ {{ 66 Bar iron. See Iron—Bar. Bark Mills. * R. L. Howard & Son.................................... Buffalo, N. Y................. See Page 40 •r Bar Lead. Bruce & Cook............................................... New York...... to e o so e o se e g o e o e o is See Page 112 Bars. Pittsburgh Bolt Co....................................... Pittsburgh, Pa...............See Page 118

BOLTS WITH SQUARE HEADS AND NUTS,
Weight of 100, in Pounds.

E: a)

to: Thickness of Bolt in Inches.

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Š5 || 4 % % % % % % % 1% 4.16 ... 7.59 ... 10.62 ... 15.94 ... 23.87 ... 39.31 %|4.22 ... is ... iii.2 ... iś0 ... 2; o; ... ...;

2

4.75 ... 8.56 ... 12.38 ... 18.25 ... 26.44 ... 45.69 ... 73.62
5.34 ... 9.12 ... 12.90 ... 19.38 ... 28.62 ... 49.50 o
5.97 ... 9.59 ... 14.69 ... 20.69 ... 29.50 ... 51.25
6.50 ... 10.44 ... 16.47 ... 21.50 ... 31.16 ... 53. &

... 17.87 ... 22.38 ... 32.44 ... 56. ... 85.38 ... 127.25 18.94 ... 26.19 ... 39.75 ... 63.12 ... 93.44 ... 14056 20.59 ... 28.87 ... 42.50 ... 74.87 ... 108.12 ... 14837 21.69 ... 29.87 ... 44.87 ... 79.62 ... 113.12 ... 15876 23.62 ... 32.31 ... 48.81 ... 83. ... 122. ... 167.25 % 25.81 ... 34.44 ... 51.38 ... 87.88 ... 128.62 ... 174.83 %

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16.87 •. 36.62 ... 53.31 ... 92.38 ... 131.75 ... 204.25 2 56.87 ... 96.88 ... 139.56 ... 214.69 59.12 ... 99.87 ... 145.50 ... 228.44 % 61.87 ... 105.75 ... 150.88 ... 235.31 64.44 ... 109.50 ... 157.12 ... 239.88 70.50 ... 118.12 ... 169.62 ... 258.12 10 77. ... 128.13 ... 184. ... 276.18 11 82.88 ... 136.19 ... 195.13 ... 295.69 12 86.37 ... 144.87 ... 209.75 ... 311.94 13 92. ... 155.50 ... 219.37 ... 335.81 14 97.75 ... 163.58 ... 237.50 ... 351.88 15 - 103.25 ... 170.75 ... 249.05 ... 391.75

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Boiler Makers' Tools. Slaters” Roofing Tools,
Track Layers' 66 Horseshoers” G&
Blacksmiths” 66. Machinists” 6&
Blasting 66 Stone Masons” Gò

Quarry Tools.
Gas and Water-Pipe Gaulking Tools.
File Cutters’ Hammers. Coopers' Hammerse
Concrete 66 Ship Mauls.

NELSON'S SOLID EVED PICKS. H. NELSON'S CELEBRATED IRON PLOW

FOR

Street and Railroad Grading. MINING AND PAVING TOOLS STRIKING HAMMERS, PICKS, STONE BREAKERS’ SLEDGES,

BLACKSMITHS' SWEDGES, SWEDGE BLOCKS, FULLERS,
S L E D C E S A N D H A M M E R S ;
OF EVERY DESCRIPTION. -

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& Hammers of all kinds Made to Order on receipt of Pattern or Drawing.

HORSE SHOERS and BLAcks MITHS' Tools. Special Attention Paid to Railroad Work.

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Batterles-Telegraph.

Leclanche Battery Co , -
See also, Telegraph Apparatus.

New York.....................See Page 96

Bellows. England & Bindley.......................... to to o o & © to e o 'o e o o Pittsburgh, Pa............... See Page 162 Geo. Worthington & Co................................. Cleveland, Ohio.............. & & 100 Joseph Churchyard......... * * g o e o 'o e o os e e s e o e e o e o e o e o os e e s e e Buffalo, N. Y.................. * & 160 Newcomb Bro's. Sons New York...... to so o & 4. & © e o & to s & © to & & & 88 Sidney Shepard & Co..................................... Buffalo, N. Y.................. “ 196 S. S. Townsend.................. & e o e s to t e o e s to s e s to e o 'o e s to e.....New York...................... {{ 2 T. B. Bickerton & Co............. 9 * * * * * * * * * * g g to e o e o e o 'o e s e Philadelphia, Pa....... * † to $ to e {{ 138 - Bells. A. Fulton's Son & Co...................... • * g e o e o e o & to e e o & Pittsburgh, Pa............... See Page 116 Wose, Dinsmore & Co........ New York...................... 6% 60 Belt Dogs. Champlin & Rogers.................. o e o e o so to e e o e o te e o e o e e o o Chicago, Ill.................... See Page 192 Belting. Bickford, Curtiss & Deming...... * * g o & & © to e o & G & & o & g e g to s Buffalo, N. Y............ .....See Page 136 Buffalo Machinery Agency....... & e o 'o e o e & & & Q & © to e o & e o & e e $6 “ ................. é & 160 Champlin & Rogers • * e o e o e e s e e o is e o e s ∈ e s e s e e s e s e e Chicago, Ill.................... £ & 192 Darrow, Turner & Co.................................... New York...................... {{ 62 D. Brewer & Co............................................. Philadelphia, Pa............. {{ 246 Erie City Iron Works - Erie, Pa................... to to e & © e {{ I'70 George Worthington & Co............................. Cleveland, Ohio............... $9 1()0 Goodyears I R. G. Mfg. Co............................. New York...................... {{ 252 New York Rubber Co.................................... “ ..................... {{ 260 N. H. Gardner & Co....................................... Buffalo, N. Y.................. & & 254 Radley & McAlister Mfg. Co.......................... New York...................... {{ 250 Sidney Shepard & Co..................................... Buffalo, N. Y................... § { 196 "T. B. Bickerton & Co..................................... Philadelphia, Pa............. {{ 138 Wose, Dinsmore & Co g New York...................... $4 60 Bench Screws–Iron and Wooden Handles. Hermann Boker & Co New York....... to so to & e o e & See Pages 152, 154

THICKNESS OF BoILER IRON REQUIRED AND PRESSURES ALLOWED BY

THE LAWS OF THE U. S.

Pressure equivalent to the Standard for a Boiler 42-in. in Diameter and 34 in Thick.

Diameter. # 3 * & g e e — # 5 || 3: 3 3 § § 3 3 •od to o ~ -- ~. ...t. •c. o 9 r- 3 © § Ö © © © E.5 }*4 E }= 5 5 5 E — ; § 3 So S. §: $ Lbs. Lbs. Lbs. J.bs. Lbs. Lbs. Lbs. 5 169.9 ...... 160.4 ...... 152. ...... 144.4 ...... 137.5 ...... 131.2 ...... 125-5 4% i 158.5 ...... 149.7 ...... 141.8 ...... 134.7 ...... 128.3 ...... 122.5 ...... 117. Aft 147.2 ...... 139.1 ...... 131.8 ...... 125.1 ...... 119.2 ...... 113.7 ...... 18-3 4 135.9 ...... 128.3 ...... 121.6 ...... 115.5 ...... 110. ... ... 105. ...... 100. 3% 124.5 ...... 117.6 ...... 111.4 ...... 105.9 ..... . 100.8 ...... 96.2 ...... 92. 3% 113.2 ...... 106.9 ...... 101.3 ...... 96.2 ...... 91.7 ...... 87.5 ...... 83. " 3 i 101.9 ...... 96.2 ...... 91.2 ...... 82.6 ...... 82.5 ..... . 78.7 ...... 75.” WEIGHT AND THICKNESS OF BOILER IRON.

1-8 inch weighs... 5 pounds per sq. foot. No. 1 Iron is 5-16 inch thick.

3- {{ “ ... 794 “ 6 & No. 3 “ nine-thirty-seconds. 1-4 &é * ...10 {{ $6 No. 4 “ 1-4 inch.

5-16 “ “ ...12% “ to 6 No. 5 “ seven-thirty-seconds. 3-8 “ * ...15 & to $ No. 7 “ three-sixteenths.

"7-16 & 6 $$. to ot 1734 • 6 $6

|-2 “ “. ...20 & & 4 &

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A M E E I C A N A N D C L A II:

BAR, Hoop, SHEET and PLATE IRON,
BRIDGE IRON,
ANGLE AND T IRON,
GUARD IRON,
COAL SCIEEEN IRON,
CUT NAILS and SPIKES,
SHIP and BoAT SPIKES,
RAILROAD SPIKES,
T RAIL, S, 12, 16, 20, 2s and 40 lbs. to yard,
TRAMI RAILS, Punched and Countersunk,
RAILROAD FISH BARS and BOLTS,
COAL PIT CAR WHIEELS and AXLES,
PATENT COLD ROLLEID SHAFTING,
FINGER and KNIFE BAIES,

PATENT COLD ROLLED PISTON RODs.

-------- * * * * * * * - - ----------
-**-*-

WAFEHOUSES AND OFFICE: Second & Third Avenues, and Try Street, P ITT's B U R C H , PA.

ERANCH HOUSE:
Nos. 190 to 196 South Canal Street, Chicago, Ill.

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