Dilworth, Thomas, d. 1780.
The schoolmasters assistant: : being a com- pendium of arithmetic, both practical and theoretical ... / By Thomas Dilworth ... --
The seventeenth edition.
Philadelphia: : Printed and sold by Joseph Crukshank, in Third street, opposite the Work-house, MDCCLXXIII (1773, i.e. 1780]
xiv,[101,192p.,2 leaves of plates(1 folded) port. ; 18cm.(12mo. )
Edition statement transposed; precedes author statement on title page.
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MB-Rev.