Commemorative spade used to turn the first sod of the River Lee Conservancy's new cutting through Horse Shoe Point 1878
Cutting pick from Mitsubishi tunnel-boring machine. Used in Channel Tunnel works (French land service tunnel)
Sheave block, 3 pulley, used in construction of Telford's Menai Suspension bridge, 1826 Sheave block 1826
Two mounted photos (10.25" x 7.125") of a model of a floating bridge Two mounted photos (10.25" x 7.125") of a model of a floating bridge
Silver plated model of the Forth Railway Bridge, 1882-1890, scale 1:480, Parliamentary submission model, on mirror base in glazed on table stand Forth Railway Bridge, 1882. 1882