 Within a few years though the more common practice was adopted of spending less time at a greater variety of locations.Initially there were two staff to cope with the influx of registrations, but the sole position was quickly established with Cynthia McKenzie as Birkenhead's first Mobile Librarian.Over its decade of existence the Mobile had half a dozen different librarians, who had to cope with double de-clutching, a leaking roof and stifling heat, as well as the usual duties of a librarian.