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"An altazimuth theodolite of an improved pattern now used on the Ordnance Survey. The horizontal circle of 14 inches diameter is read by three micrometer microscopes; the vertical circle has a diameter of 12 inches, and is read by two microscopes." — Encyclopedia Britannica, 1893

Altazimuth Theodolite

"An altazimuth theodolite of an improved pattern now used on the Ordnance Survey. The horizontal circle…

A weapon that fires a projectile.

Portable Firearm

A weapon that fires a projectile.

The fort was built by the British Army and Canadian militia troops in the late eighteenth and early nineteenth centuries, to defend the settlement and the new capital of the Upper Canada region from the threat of a military attack, principally from the newly independent United States.

Fort York

The fort was built by the British Army and Canadian militia troops in the late eighteenth and early…

Brass howitzer.

Howitzer

Brass howitzer.

The Western Battery was built by the British Army. With ample supply of trees from the surrounding area it was made of wood. It had two guns with a blockhouse.

Remains of the Western Battery in 1860

The Western Battery was built by the British Army. With ample supply of trees from the surrounding area…