The Arrol Gantry was a large steel structure built by Sir William Arrol & Co. at the Harland and Wolff shipyard in Belfast, Northern Ireland. It was built to act as overhead cranes for the building of the three Olympic-class liners.
RMS Titanic, in 1911, after Olympic's launch
Plan of the Queen's Island shipyard, showing the Olympic slipways and the position of the Gantry
Lengthwise elevation of the Gantry
Crosswise section of the Gantry
Sir William Arrol & Co. was a Scottish civil engineering and construction business founded by William Arrol and based in Glasgow. It built some of the most famous bridges in the United Kingdom including the second Tay Bridge, the Forth Bridge and Tower Bridge in London.
Name plate on the 1911 Arrol & Co.-built Jetty Crane in Bunbury, Western Australia
View of the cantilever construction of the Forth Bridge
The Forth Bridge built by Sir William Arrol & Co.
A closeup of the central section of the second Tay Bridge