In 1898, the ever-innovative Lancashire & Yorkshire Railway installed an overhead delivery system known as a 'telpher'. […] But the telpher at Manchester Victoria wasn't part of a crane. It was part of an extraordinary dual-railed overhead line, a little like a suspended monorail, with individually manned units that trundled high above the heads of passengers and staff, carrying goods from the Parcels Office to each platform.
Source: wiktionary