. Railroad digest . uperior strength, andthe clamping bolt, in case of accident, would hold the halvestogether long enough for the engineer to stop the locomo-tive. The nuts on the clamping bolt can be easily seen andany defect easily detected. The oil cup is of ample sizeand easy of access. The eccentric and strap are both theinvention of Mr. Chas. Linstrom, master mechanic of theYazoo & Mississippi Valley Railway, on which line theyhave been used with entire satisfaction. A Simple Form of Boiler Tube Cleaner Electrical Review. March 23. 1901. p. 381. The cleaner represented in the accompanyi
. Railroad digest . uperior strength, andthe clamping bolt, in case of accident, would hold the halvestogether long enough for the engineer to stop the locomo-tive. The nuts on the clamping bolt can be easily seen andany defect easily detected. The oil cup is of ample sizeand easy of access. The eccentric and strap are both theinvention of Mr. Chas. Linstrom, master mechanic of theYazoo & Mississippi Valley Railway, on which line theyhave been used with entire satisfaction. A Simple Form of Boiler Tube Cleaner Electrical Review. March 23. 1901. p. 381. The cleaner represented in the accompanying illustra-tions is adapted for cleaning either the outside or inside ofboiler tubes, its method of operation being claimed by themakers, the Power Specialty Company, of Buffalo, to bedifferent from that of other such appliances. In the sec-tional view steam is admitted by means of a flexible hosethrough the coupling, A, to the chamber, B. In this cham-ber is a valve, C, regulating the admission of steam alter-. nately to the ports, DD, through which it flows to thecylinder, E, operating the steel piston, F. The movementof this piston causes the arm, G, to vibrate; this arm ispivoted at H. The rearward extension of this arm operatesthe valve, C, by striking the steel shoulders, H. On theend of the arm, G, is a hammer, J, held in place by a nut. It is claimed that this apparatus is highly efficient Inoperation and that its singular hammering and blowingaction accomplishes very desirable results. [How would compressed air do, to operate by?—Eds,Railroad Digest]. The Number of Locomotives on British Rail-ways Meclianical Engineer (Manchester), March 2, 1901, p. 305. The number of locomotives on the twenty English, Welshand Irish railways at the close of last year, according to anofficial return, was 16,682. distributed as follows: Belfastand Northern Counties, 73; Great Central, 848; Great East-em, 1,041; Great Northern, 1,251; Great Northern of Ireland, Vol. XI. No. 4 RAILROAD
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