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Catalogue : mathematical and engineering instruments and materials manufactured and imported by James W. Queen & Co. (1880)
James W. Queen & Company · James W. Queen & Co. · leaf 56
■aim. ihlA circle, 11« «* , circle, with irtt ^ . cum, ^ … A 482. A 482. Protractor, 5$ inches diameter, whole circle, half degrees, with ver*nier reading to three minutes, . • • • • • • A 483. Protractor, 8 inches diameter, whole circle, quarter degrees, withvernier, reading to one minute, . • • ■ • • ■ A 48 Protractor, 10 inches diameter, whole circle,…Engineering instruments · Mathematical instruments
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