The coal dealers assistant being tables calculated for the ready and easy finding out the true value of any number of chalderns, from 1 to 200, at any of the usual prices, from 15s. encreasing 3d. each, to 1ß. 10s. per chaldern without mettage, and may serve for any higher price, by following the directions in the table annexed - Gentleman of Sunderland (Printed for R. Akenhead, and W. Charnley, and sold at the register-office, 1759)
Goldsmiths'-Kress no. 09472. - OCLC, 23441181. - Reproduction of original from Goldsmiths' Library, University of London