Material: steel wire needles, brass handle
Manufacturer: Fletcher, Westwood and Company, successors to Emanuel Shrimpton and Sons, Caledonian Works, Redditch, England
Registered Design: Dec 6, 1873
Length: closed 4″
Anchor on slide is trademark.
There are four needles here, two on each of two slides. The top and bottom look the same with one slide on each side.