Bronze steelyard, Imperial, ca. 2nd–4th century A.D., Roman, Bronze, Other: 24 5/8 in. (62.5 cm), Bronzes, According to one source, the steelyard was invented by Archimedes, the great Syracusan inventor, in the 3rd century B.C. No examples of that early a date are attested but, since they changed little in form and appearance and continued in use until medieval times, it is often difficult to give a precise date to a specific steelyard
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Bronze steelyard, Imperial, ca, 2nd–4th century .D, Roman, Bronze, 24 5/8, 62.5 cm, Bronzes, According, source, steelyard, invented, Archimedes, great Syracusan inventor, 3rd century, B.C, No examples, early, date, attested, changed little, form, appearance, continued, medieval, times, difficult, give, precise date, specific
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