In 1834 a new edition of his nautical tables was published posthumously.
2.
An experienced navigator can reduce a sight from start to finish in about 5 minutes using nautical tables or a scientific calculator.
3.
The launch was supplied with about five days'food and water, a sextant, compass and nautical tables, and Purcell's tool chest.
4.
In 1821 he published " Navigation and Nautical Astronomy for Seamen "; these nautical mathematical tables, known as Inman's Nautical Tables, remained in use for many years.