Manufactured by Gibbons & Co. of Wolverhampton and dating from the late 19th Century.
Brass cased bevel edged gear box for remote window or skylight opening.
Has a square spindle drive to front,with another to top,enabling a vertical shaft to be operated.Alas this is the only part I have,just thought they were kind of different and quite decorative,as well as being superbly engineered.
Gibbons Wolverhampton is marked to face.Polished yellow brass in colour.
Backplate measures 1.3/8" x 3.1/2".Protrusion 1.5/8".Weight 300g.
