Preposition: of

• ton: The number of vessels registered as belonging to the port, in 1844, was 206, of the aggregate burthen of 38,000 tons.

Converse of object

• become: Many of them will become a public burthen from the moment of their landing.

• have: Isaiah, Jeremiah, Ezekiel, Joel, Amos, Obadiah, and the Psalmist have a kindred burthen for Edom.

Adjective modifier

• aggregate: About twelve vessels belong to the port, of the aggregate burthen of nearly 700 tons.

• heavy: But there, all novels are a heavy burthen while they are doing, and a sensible disappointment when they are done.

• public: Many of them will become a public burthen from the moment of their landing.

• same: The Admiral was of 600. tuns, and the Vise Admirall of the same burthen.

• large: The Torridge becomes navigable for boats at Wear Gifford, and for ships of large burthen at Bideford.