Wakefield's patent no.7 pattern six-feed mechanical lubricator in section, no. P.10085, patented by Sir Charles C. Wakefield in 1913. Wakefield's patent no.7 mechanical lubricator
Mechanical Lubricator, T&K Mechanical Lubricator with glass gauge (glass broken). No identifying marks. (From Steam Crane) Overall: 220 mm x 190 mm x 173 mm. Mechanical lubricator
