point 4 signal lever locking apparatus drawing

Drawing, London & North Western Railway point 4 signal lever locking apparatus, based on the F.W. Webb patent, made at Crewe Works, 1874.

Details

Category:
Documents
Object Number:
2008-8735
Materials:
paper
Measurements:
overall: 693 mm x 860 mm
type:
drawing
credit:
British Transport Commission