THE ARITHMETICAL MEDAL AND NUMERICAL POCKETPIECE
Stock Number: 7344
For sale, antique 18th century English bronze medal for teaching multiplication and division, and on the reverse for conventing currency, and with a numeration table for place values. Very fine with much of its original gilding.
1-3/4 inches (45mm) diameter
Country of manufacture
UK and Ireland
THE “ARITHMETICAL MEDAL AND NUMERICAL POCKET PIECE,” English, 1753, “Sold by I * Maddux, at the hand & pen in Brook Street, Holbourn.” The cast bronze medal, 1-3/4″ (45 mm) in diameter, carries on one face the “Numerical Pocket Piece who teaches abroad, or privately at home,” with its “Table for Multipl’n. & Division by a new & short method,” giving all integral products from 3 x 3 up to 9 x 9. The other face includes a table converting pence to shillings and pence, a table of multiples of twelve, and a “numeration table” giving place value of units, tens, …, hundred millions. Condition is very fine, the medal retaining much of its gilding. A most unusual arithmetical teaching aide mémoire / pocket calculator.
Ask the Dealer
David and Yola Coffeen both have enjoyed academic careers, as planetary astronomer and as linguist/educator. But since 1982 (yes, 1982!) they have been full-time dealers in early scientific and medical instruments, under the name Tesseract. Selling primarily by catalogue (over 100 issued so far) they also have a web presence at www.etesseract.com, and can be contacted at email@example.com.