The neat duties (all discounts and abatements deducted) of all merchandize specify'd in the book of rates [electronic resource] : ... Both in decimal and vulgar arithmetick: ... And also a small treatise of decimals, ... By Tho. Langham ...
'A treatise of decimals for the explaining their use in casting up the customs: ..' has a separate titlepage; pagination and register are continuous. Reproduction of original from the British Library. Available online to authorized PSU users as part of the Social sciences and fine arts series of Eighteenth century collections online.
Electronic reproduction. Farmington Hills, Mich. : Thomson Gale, 2003. Available via the World Wide Web. Access limited by licensing agreements
Hanson, 950 English Short Title Catalog, ESTCT130541.