Self-Discharging Skip of Taylor & Hubbard. —The appliance must be filled by hand as is the previous one, but discharges its load automatically, after the manner of a single-chain grab described later. The automatic gear A, which is suspended from the jib-head of any crane, discharges automatically at any predetermined point to which the gear may have been raised or lowered. The mechanical working of this apparatus, which can be manipulated by one man, is clearly shown in the illustration.