mast-house

Before leaving we went into the mast-house, near the entrance to the yard.

A Yacht Voyage Round England William Henry Giles Kingston 1847

Notwithstanding this, Sir Sidney and his brave companions destroyed ten of the enemy's ships of the line in the arsenal, with the mast-house, the great storehouse and other buildings.

How Britannia Came to Rule the Waves Updated to 1900 William Henry Giles Kingston 1847

Here, East India ships are built, launched, and repaired: there are two on the stocks now of considerable magnitude; the premises are extensive and commodious, and that high building which you see is a mast-house, and the other buildings about the yard are devoted to sail lofts, and shops for the various artizans, requisite to complete the ~~391~~~ grand design of building and fitting out a ship for sea.

Real Life In London, Volumes I. and II. Or, The Rambles And Adventures Of Bob Tallyho, Esq., And His Cousin, The Hon. Tom Dashall, Through The Metropolis; Exhibiting A Living Picture Of Fashionable Characters, Manners, And Amusements In High And Low Life (1821) John Badcock 1823