Defence works at the Heads

This wood engraving was published in The Illustrated Australian News, 13 May 1885 and shows colonial defence works being built at Queenscliff, Victoria. The vignettes illustrate the defences at the Heads, top, l-r: fatigue party with steam vessel in background, straightening the cliff face (to prevent it being scaled by an invading force), signalling with a lamp and reading reply with a telescope, middle l-r: diagram of a torpedo, the electric light at Queenscliff which illuminates The Rip between Queenscliff and, diagrams of the electric light and a mine, bottom l-r: officers visiting the forts, and a team of men raising the barrel of a twelve-and-a-half ton gun to the fort.