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Surveying and Drawing Instruments (1911)

C.F. Casella & Co., Ltd. · leaf 94

An illustration from Surveying and Drawing Instruments, 1911, leaf 94
ii TO 15, ROCHESTER Row, LONDON, S.W. 91 SPRING BOWS— Continued. (396) Ditto, as No. 392, but with screw-off needle points ; £130 electrum, best quality (397) Spring Bows, set of three, with double-action inside screw, in leather case ; electrum, best quality £1 6 6 (398) Revolving Spring Bow, for… … Nos. 399-405. Electrum, Electrum, best quality, ordinary quality. Brass. (399) Dividers, plain long joint, 4 or 5 ... £0 3 6 £0 3 0 £0 2 9 inches . A cheaper quality can also be supplied from is. 6d. each (400) Ditto, sector joint £0 4 0 £0 3 6 £0 3 3 (401) Ditto, as No. 399, but 6 inch ... £0 5 9…

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