Transactions . Fig. 2. -Spring , 6 Inches to 1 Inch. Fig. 3.—Sakety , 6 Inches to 1 Inch. bow of the kibble dropping off the hook, Mr. Ivor Morgan,enginewright at Baggeridge colliery, arranged for the hinge, 15,of the spring-portion to be welded to the top, as shown in fig. •!,leaving a sufficient space, C, between the point of the hook andthe slide-piece, D, for the bow to pass through: this was scaledduring all ordinary operations by the sliding ferrule, D, whichalways dropped unless it was deliberately propped up. Experi-ence had proved that the hook was more safe, when


Transactions . Fig. 2. -Spring , 6 Inches to 1 Inch. Fig. 3.—Sakety , 6 Inches to 1 Inch. bow of the kibble dropping off the hook, Mr. Ivor Morgan,enginewright at Baggeridge colliery, arranged for the hinge, 15,of the spring-portion to be welded to the top, as shown in fig. •!,leaving a sufficient space, C, between the point of the hook andthe slide-piece, D, for the bow to pass through: this was scaledduring all ordinary operations by the sliding ferrule, D, whichalways dropped unless it was deliberately propped up. Experi-ence had proved that the hook was more safe, when the springwas entirely dispensed with. 58 DiscussioN—a Locking hook FOtt sinking ttraPosES. Prof. Louis wrote that he was interested in Mr. Hughes re-marks; and the fact that both Mr. Hughes and himself had beenled to adopt the sliding ferrule for preventing the class of acci-dent referred to, seemed to show that the idea was quite sound,although they had not both hit upon identically the same way ofcarry


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