No abstract

remarked that Mr. Szlumper's Paper on the Mr. Blackall. signalling of outlying sidings described very ingenious adaptations of electric locking to frames working outlying sidings on double lines of railway, but he thought the provision of home and distant signals worked from the ground frame, in the scheme illustrated in Figs. 2 and 2, would be an improvement, as affording additional protection to the siding should, by any accident, a second train find its way into the section in which the outlying siding was situated. It was open to consideration whether such signals might not be so placed as to protect a train from which the engine had cut off, in order to put vehicles into, or take them out from, the siding. By dispensing with the signals at the siding