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144 Incorporated 1866. THE LOCOMOTIVE. Charter Per- petual. Issues Policies of Insurance after a Careful Inspection of tie Boilers. COVERING ALL LOSS OR DAMAGE TO BOILERS, BUILDINGS, AND MACHINERY ALSO COVERING LOSS OF LIFE AND ACCIDENT TO PERSONS ARISING FROM Steam Boiler Explosions. Full information concerning the plan of the Company's operations can be obtained at the ooiMiF-^irxr^r's ozfif-icie, ha.btfoed, oozlstzlnt., Or at anv Agency. J. M. ALLEN, President. W. B. FRANKLIN, Viee-Prest. J. B. PIERCE, Secretary. FRANCIS B. ALLEN, 2d Vice-Prest. E. J. MURPHY, M. E., Consulting Engineer. Board of J. M. ALLEN, President. FRANK W. CHENEY. Treas. Cheney Brothers Silk Manufacturing Co. CHARLES M. BEACH, of Beach & Co. DANIEL PHILLIPS, of Adams Express Co. RICHARD W. H. JARVIS, Prest. Colt's Fire Arms Manufacturing Co. LEVERETT BRAINARD, of The Case, Lockwood & Brainard Co. Gen. WM. B. FRANKLIN, late U. S. Commissioner to the Paris Exposition. NELSON HOLLISTER, of State Bank, Hartford. GENERAL AGENTS. THEO. H. BABCOCK, CORBIN & GOODRICH, LAWFORD & McKIM, C. E. ROBERTS, H. M. LEMON, C. C. GARDINER, L. B. PERKINS, W. G. LINEBURGH & SON, BURWELL & BRIGGS, MANN & WILSON, ZOLLARS & McGREW, LOUIS V. CLARK & CO., W. S. HASTIE & SON, PETER F. PESCUD, CHIEF INSPECTORS. R. K. McMURRAY, WM. J. FARRAN, F. S. ALLEN, WM. HEAFORD, A. B. ECOFF, F. S. ALLEN, J. H. RANDALL, C. A. BURWELL, J. B. WARNER, T. E. SHEARS, -B. F. JOHNSON, Directors. Hon. HENRY C. ROBINSON, Attorney-at-Law, Hartford. Conn. Hon. FRANCIS B. COOLEY, of the National Exchange Bank, Hartford, Conn. EDMUND A. STEDMAN, Treasurer of the Fidelity Co., of Hartford, Conn. GEORGE BURNHAM, Baldwin Locomotive Works. Philadelphia. Hon. NATHANIEL SHIPMAN, Judge United States Circuit Court. C. C. KIMBALL, Pres. Smyth Mfg. Co., Hartford. Conn. PHILIP CORBIN, of P. & F. Corbin, New Britain, Conn. New York City. Philadelphia, Pa. Baltimore, Md. Boston, Mass. ( j Providence, R. I. Chicago, III. St. Louis, Mo. Hartford, Conn. Bridgeport, Conn. Cleveland, Ohio. San Francisco, Cal. Denver, Col. Birmingham, Ala. I Charleston, S. C. J ( New Orleans, La. OFFICES. Office, 285Broadwav. 432 Walnut St. " Chamber Commerce. 125 Milk St. " 29 Weybosset St. " 112 Quincy St. " 319 North Fourth St. " 218 Main Street. " 2 Sanford Building " 208 Superior St. " 306 Sansome St. " Mining Ex. Bl'g. 110 North 19th St. 44 Broad St. 188 Gravier St.
She Mmmntivt PUBLISHED BY THE HARTFORD STEAM BOILER INSPECTION AND INSURANCE COMPANY. __ — Nknn Sekies Vol. XV. BARTFORD, CONN., OCTOBER, L894. No. 10. Concerning' Blow-off Pipes. In tlu- September issue of The Locomotive, in speaking of the deposit of sediment and the formation of scale in pipes, we referred to the use of straight-way valves on blow-offs, and stated that the opening in such valves should be fully equal to the sectional area of the blow-oif pipe itself. As the importance of this point is not always Fig. 1. — A Globe Valve applied to a Blow-off Pipe. thoroughly appreciated, we herewith present two cuts (Figs. 1 and 2) which will suf- fice, it is hoped, to make the matter clear. Fig. 1 represents a globe valve as applied to a blow-off pipe, and we have endeavored to illustrate the fact that such a valve is liable to trap pieces of scale that have flaked off from the shell (or tubes) of the boiler. The same action may take place with any other form of valve in which the passage is not straight, or which has an opening of less area than the blow-off pipe itself. Fig. 2 illustrates a straight-way valve having an opening a trifle greater than the area of the
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PRESENTED BY q re^u \jarri€L'SjNe
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PUBLISHED BY THE HARTFORD STEAM BOI
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1894 THE LOCO MOT! VE. Inspectors'
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1894.] Til i: LOCOMOTI"V ES. 5 Ky.
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1894.] ill i: LOCO MOT ! \ I. was s
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THE LOCOMOTIVE. 9 We should be plea
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1894.] T II i: LOCOM ()TI V E. H th
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1884.] THE LOCOMOTIVE 13 1 in. PROP
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1894 | Til E LOCOMOTH E 1£> Thb Ja
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IS'.il ] Til E MK'OJIiiTI V I. \Q a
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1894 | T II !: LOCO M OT 1 Inspecto
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1894.] THE LOCOMO T I V E Nature of
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ls-.M | THE LOCOMOTH E 26 The Explo
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1894 THE LOCO M OT1 V E 27 experime
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1894.J THE LOCOMOTIVE. 29 the grand
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lsui ] THE LOCOMOTIVE. 31 [sting ca
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1894 | THE Nature of Defects. Furna
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1894 | THE LOCOMOTIVE. 37 The whist
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THE LOCOMOTIVE. 39 No. 8. Friday, J
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1894] THE LOCOMOTIVE. 41 'I'll is i
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1894.] I'll i: I. MOTIVE. 43 for 18
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1894.] THE LOC QUOTH E 45 ingagood
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is.. i THE i LOCOMOTIVE 47 The Coco
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Wlxt Jtorototto. PUBLISHED BY THE H
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1894 ; THE Nature of l>> Furnaces o
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Til B LOCOMOTIVE 53 mnd scalded, an
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1894.] THE LOCOMOTIVE 55 way. Erect
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1894.] Til i: LOCOMOTIV B. 57 The J
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1884.] THE Loco M OTIVE 59 also giv
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62 THE LOCOMOTIVE. [April, 1881, th
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64 Incorporated 1866. THE LOCOMOTIV
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66 THE L O C M ( > T I V E . [May,
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68 THE LOCOMOTIVE. [Mat, ning, and
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70 T II E L O C M ( ) T I V E . [Ma
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72 THE LOCOMOTIVE. [May, (67.) —
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74 THE LOCO M T I V E tfSI It 1$ 1
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76 THE LOCOMOTIVE [Mat, No. of Voya
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78 THE LOCOMOTIVE. [May, laugh. Two
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80 Incorporated 1866. THE LOCOMOTIV
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39 THE LOCOMOTIVE. [.Jine, pounds^
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84 THE LOCOMOTIVE [June, |", the ho
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86 THE LOCOMOTIVE. [June, Nature of
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g3 THE LOCOMOTIVE. [Jink, testing i
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90 THE LOCO M T 1 V E [June, $ t $
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— 92 THE LOCOMOTIVE [June, and th
Page 102 and 103: 94 THE LOCOMOTIVE [Juke however, to
Page 104 and 105: 96 Incorporated 1866. THE LOCOMOTIV
Page 106 and 107: 98 THE LOCOMOTIVE [July, minutes be
Page 108 and 109: 100 THE LOCOMOTIVE. [July, rear hal
Page 110 and 111: 102 THE LOCOMOTIVE. [July, shattere
Page 112 and 113: 1(34 THE LOCOMOTIVE. [July, HARTFOR
Page 114 and 115: 1C6 THE LOCOMOTIVE. [July, connecte
Page 116 and 117: 108 THE LOCOMOTIVE. [July, Concerni
Page 118 and 119: 110 THE LOCOMOTIVE. [July, person l
Page 120 and 121: 112 Incorporated 1866. THE LOCOMOTI
Page 122 and 123: 114 THE LOCOMOTIVE. [A.UGU8T, the s
Page 124 and 125: 1 1 Q THE LOCO M T 1 V F . [August,
Page 126 and 127: H8 THE LOCOMOTIVE [Augcst, propriet
Page 128 and 129: 120 THE LOCOMOTIVE. [Aigust, ffikt
Page 130 and 131: 122 THE LOCOMOTIVE. [August, eviden
Page 132 and 133: 124 T HE LOCOMOTI V The Explosion o
Page 134 and 135: •126 THE LOCOMOTIVE. [August, On
Page 138 and 139: 130 THE LOCOMOTIVE. [September, The
Page 140 and 141: 132 THE LOCOMOTIVE. [September, col
Page 142 and 143: 134 Nature of Defects. Cases of int
Page 144 and 145: 436 THE LOCOMOTIVE. [September, one
Page 146 and 147: 138 THE LOCOMOTIVE [September, \ +
Page 148 and 149: 140 THE LOCOMOTIVE. [September, and
Page 150 and 151: 142 THE LOCOMOTIVE [September, will
Page 154 and 155: 146 THE LOCOMOTIVE [October, pipe,
Page 156 and 157: 148 THE LOCOMOTIVE. [October, does
Page 158 and 159: 150 THE LOCOMOTIVE. [October, means
Page 160 and 161: 152 THE LOCOMOTIVE. [October, to sa
Page 162 and 163: 454 THE LOCOMOTIVE. [October, ished
Page 164 and 165: 156 THE LOCOMOTIVE. [October HARTFO
Page 166 and 167: 158 THE LOCOMOTIVE. [October, is 12
Page 170 and 171: 162 THE LOCOMOTIVE. [November, atte
Page 172 and 173: 164 THE LOCOMOTIVE. [November, Natu
Page 174 and 175: 166 THE LOCOMOTIVE. [November, Hild
Page 176 and 177: 168 THE LOCOMOTIVE. [November, caus
Page 178 and 179: 170 THE LOCOMOTIVE. [Novembek, HART
Page 180 and 181: 472 THE LOCOMOTIVE. [November, wate
Page 182 and 183: 174 THE LOCOMOTIVE. [November, to t
Page 186 and 187: 178 THE LOCOMOTIVE. [Decembbb, it m
Page 188 and 189: : 180 THE LOCOMOTIVE. [December, ha
Page 190 and 191: ^ g2 THE LOCOMOTIVE. [December, Eng
Page 192 and 193: 484 T II E L O C O M O T I V E . [D
Page 194 and 195: 186 THE LOCOMOTIVE. [December, BItt
Page 196 and 197: 188 THE LOCOMOTIVE. [December, The
Page 198 and 199: 190 THE LOCOMOTIVE. [December, sour
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INDEX Explosion, on the Arethuse, 1
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