Bell jack, Lancashire & Yorkshire Railway, WD, ex L&YR Horwich Works. Lancashire and Yorkshire Railway bell jack
Bottle jack, Stockton & Darlington Railway, wooden bottle jack with metal handle, top and base stamped S&DR, ex Shildon Works. Wooden bottle jack, Stockton & Darlington Railway
Dump door jack by DBA Division, Air Equipment, Asnieres, Hauts-de-Seine part no. 003-350 for Concorde Dump Door Jack
Collection of steel cables, anchorages and jacks (see 19 stroke numbers). Collection of steel cables, anchorages and jacks