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48 Incorporated 1866. THE LOCOMOTIVE. Charter Per- petual. Issues Policies of Insurance after a Careful Inspection of the Boilers, COVERING ALL LOSS OP. DAMAGE TO BOILERS, BUILDINGS, AND MACHINERY ALSO COVERING LOSS OF LIFE AND ACCIDENT TO PERSONS ARISING PROM Steam Boiler Explosions. Full information concerning the plan of the Company's operations can be obtained at the Or at any Agency. J. M. ALLEN, President. W. B. FRANKLIN, Viee-Prest. J. B. PIERCE, Secretary. FRANCIS B. ALLEN, 2d Viee-Prest. E. J. MURPHY, M. E., Consulting Engineer. Tlosirtl of J. M. ALLEN, President. FRANK W. CHENEY, Treas. Cheney Brothers Silk Manufacturing < !o. CHARLES M. BEACH, of Beach & Co. DANIEL PHILLIPS, of Adams Express Co. RICHARD YV. II. JARVIS, Prest. Coifs Fire Anns Manufacturing Co. THOMAS (). ENDERS. President of the U. S. Bank. LEYERETT 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. UNEBURGH & SON. BURWELL * BRIGGS, MANN A: VvTLSON, ZOLLARS .V McGREW. LOUIS Y. CLARK A CO.. YV. s HASTIE * SON. PETER F. PESCUD. R. K. M< MURRAY. 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. CHIEF INSPECTORS. Directors. Hon. HENRY C. ROBINSON, Attoniey-at-Law. Hartford. Conn. Hon. FRANCIS B. COOLEY. of the Natioi.al 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. & P. Corbin, New Britain, Conn. New York city. Philadelphia, Pa. Baltimore, Md. Boston, Mass. I / Providence. R. I. Chicago, III. St. Louis, Mo. Hartford, Conn. Bridgeport, Conn. Cleveland, Ohio. San Francisco, Cal. \ Denver, Col. Birmingham, Ala. - Charleston, S. C. / New Orleans, La. OFFICES. Office, 2X5 Broadway. 432 Walnut St. Chamber Commerce. 125 Milk St. 29 YYevbosset St. 112QumcySt. 404 Market St. 218 Main Street. " 2 Sanford Building. 20X Superior St. 306 Sansome St. Mining Ex. Bl'g. 110 North 19th SI. 44 Broad St. ISSGravier St.
Wlxt Jtorototto. PUBLISHED BY THE HARTFORD STEAM BOILER INSPECTION AND INSURANCE COMPANY. New Skkiks — Vol. XV. BARTFORI), CONN., APRIL, lsji-i. N«». 4. A Case of Defective Riveting-. The driving of rivets is Buch a comparatively simple operation, that it might be supposed that, it would be almost, always well done. This is far from being the fact, however, and bad riveting is one of the commonest defects reported by our inspectors. The rivets may be too short, or too long, or too small; they may have heads that are too flat, or they may have projecting " tiiis," or they may not fill the holes, or the holes may not come " fair " with one another. There are many ways in which riveting may be bad. A case that recently came to our notice seems to deserve special mention. The rivets in question were in a vertical pulp digester, 10 feet in diameter, and 30 feet high, which was to be so constructed as to be safe under a pressure of 90 pounds to the square inch. The plates were of steel, |-inch thick, united by lap joints, which were triple rivet eil on the straight joints, and double riveted on the girth joints. The pitch of the Some Defective Rivets. rivets in each case was 3£ inches, and the distance between the parallel rows was 2 inches. The rivets were f-inch in diameter. Before the digester was accepted, we were called upon to inspect it and pronounce upon its safety. The inspector found the rivets ' ' driven very low "— that is, the heads were entirely too flat, as shown in the accompanying wood-cuts, which are made directly from photographs of the rivets. He had a number of these rivets taken out, and found that the holes in the two sheets did not come opposite one another fairly. This defect is a common one, and it is very serious, both because it reduces ^he shearing area of the rivet, and because it greatly increases the diffculty of making the rivets fill the holes perfectly. A shop that turns out work of this kind is particularly censurable, not only because the work itself is poor and weak, but also because the defect is not easy to discover, after the rivets are in place, and the owner of the boiler is therefore likely to be deceived by a fair external appearance, and to carry more pressure than the boiler can safely withstand. The inspector also found that the heads were not driven evenly over the holes, the centers of the heads often lving well towards the side of the rivet. This defect,
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PRESENTED BY q re^u \jarri€L'SjNe
Page 9 and 10: PUBLISHED BY THE HARTFORD STEAM BOI
Page 11 and 12: 1894 THE LOCO MOT! VE. Inspectors'
Page 13 and 14: 1894.] Til i: LOCOMOTI"V ES. 5 Ky.
Page 15 and 16: 1894.] ill i: LOCO MOT ! \ I. was s
Page 17 and 18: THE LOCOMOTIVE. 9 We should be plea
Page 19 and 20: 1894.] T II i: LOCOM ()TI V E. H th
Page 21 and 22: 1884.] THE LOCOMOTIVE 13 1 in. PROP
Page 23 and 24: 1894 | Til E LOCOMOTH E 1£> Thb Ja
Page 27 and 28: IS'.il ] Til E MK'OJIiiTI V I. \Q a
Page 29 and 30: 1894 | T II !: LOCO M OT 1 Inspecto
Page 31 and 32: 1894.] THE LOCOMO T I V E Nature of
Page 33 and 34: ls-.M | THE LOCOMOTH E 26 The Explo
Page 35 and 36: 1894 THE LOCO M OT1 V E 27 experime
Page 37 and 38: 1894.J THE LOCOMOTIVE. 29 the grand
Page 39 and 40: lsui ] THE LOCOMOTIVE. 31 [sting ca
Page 43 and 44: 1894 | THE Nature of Defects. Furna
Page 45 and 46: 1894 | THE LOCOMOTIVE. 37 The whist
Page 47 and 48: THE LOCOMOTIVE. 39 No. 8. Friday, J
Page 49 and 50: 1894] THE LOCOMOTIVE. 41 'I'll is i
Page 51 and 52: 1894.] I'll i: I. MOTIVE. 43 for 18
Page 53 and 54: 1894.] THE LOC QUOTH E 45 ingagood
Page 55: is.. i THE i LOCOMOTIVE 47 The Coco
Page 59 and 60: 1894 ; THE Nature of l>> Furnaces o
Page 61 and 62: Til B LOCOMOTIVE 53 mnd scalded, an
Page 63 and 64: 1894.] THE LOCOMOTIVE 55 way. Erect
Page 65 and 66: 1894.] Til i: LOCOMOTIV B. 57 The J
Page 67: 1884.] THE Loco M OTIVE 59 also giv
Page 70 and 71: 62 THE LOCOMOTIVE. [April, 1881, th
Page 72 and 73: 64 Incorporated 1866. THE LOCOMOTIV
Page 74 and 75: 66 THE L O C M ( > T I V E . [May,
Page 76 and 77: 68 THE LOCOMOTIVE. [Mat, ning, and
Page 78 and 79: 70 T II E L O C M ( ) T I V E . [Ma
Page 80 and 81: 72 THE LOCOMOTIVE. [May, (67.) —
Page 82 and 83: 74 THE LOCO M T I V E tfSI It 1$ 1
Page 84 and 85: 76 THE LOCOMOTIVE [Mat, No. of Voya
Page 86 and 87: 78 THE LOCOMOTIVE. [May, laugh. Two
Page 90 and 91: 39 THE LOCOMOTIVE. [.Jine, pounds^
Page 92 and 93: 84 THE LOCOMOTIVE [June, |", the ho
Page 94 and 95: 86 THE LOCOMOTIVE. [June, Nature of
Page 96 and 97: g3 THE LOCOMOTIVE. [Jink, testing i
Page 98 and 99: 90 THE LOCO M T 1 V E [June, $ t $
Page 100 and 101: — 92 THE LOCOMOTIVE [June, and th
Page 102 and 103: 94 THE LOCOMOTIVE [Juke however, to
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 136 and 137:
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 152 and 153:
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 168 and 169:
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 184 and 185:
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
Page 200 and 201:
Page 202 and 203:
INDEX Explosion, on the Arethuse, 1
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