Comes commercii: or, the trader's-companion [electronic resource] : Containing I. An exact and useful table, shewing the value of any quantity of goods or wares ready cast up, ... II. A table calculated for universal use, which use is shewn in the solution of questions, ... III. The manner of casting up dimensions in general, whether the same be taken in inches, feet and inches, yards, perches, &c. ... IV. The several customs used by surveyors and measurers, in measuring glass, wainscot; painting, ... V. Instructions for entring goods at the custom-house, inward, outward, and by certificate; ... VI. Concerning water-side business, and the constitution of the keys, wharfs, porters, &c. there: ... VII. Rules concerning freight, bills of lading, primage, and how the same is paid for, &c. VIII. Concerning insuring ships, merchandizes, and houses, and how to make rates and averages in case of loss; ... To which is added, a supplement concerning simple and compound interest, with tables thereof, and the use and manner of calculating the same; ... By Edward Hatton, gent.