Somersault signal, Great Northern Railway, with signal fittings complete with 12' lattice iron post, ladder, finial and bull's eye lamp, later modified with shortened wooden post for display purposes for The Land Transport Gallery, Science Museum, c.1974
Somersault signal, Great Northern Railway, with signal fittings complete with 12' lattice iron post, ladder, finial and bull's eye lamp, later modified with shortened wooden post for display purposes for The Land Transport Gallery, Science Museum, c.1974
Four bulls-eye glass lenses for lamp. From somersault signal, Great Northern Railway, with signal fittings complete with 12' lattice iron post, ladder, finial and bull's eye lamp, later modified with shortened wooden post for display purposes for The Land Transport Gallery, Science Museum, c.1974
Internal lamp components and post fittings from somersault signal, Great Northern Railway, later modified with shortened wooden post for display purposes for The Land Transport Gallery, Science Museum, c.1974.
Signal lamp from somersault signal, Great Northern Railway, later modified with shortened wooden post for display purposes for The Land Transport Gallery, Science Museum, c.1974.
