An act for enlarging and improving the harbour of Leith [electronic resource] : For making a new bason, quays, wharfs, or docks; for building warehouses; for making new roads, and widening others, leading to and from the said harbour; and for empowering the Lord Provost, magistrates, and council of the city of Edinburgh, to purchase lands, houses, and areas; and to borrow money for these purposes.