An unusually large early 20th-Century Apps' induction coil, stamped NEWTON & C o ., LONDON N o . 1437. N. , the 10-inch diamter bakelite-cased coil with six contacts numbered 50, 60, 70, 80, 90 and 100 and two brass fittings for rod conductors, with a mahogany wall-mounted support with ivory plaque for APPS' PAT D COIL MADE BY NEWTON & Co. SCIENTIFIC INSTRUMENT MAKERS TO H.M. THE KING, 3, FLEET ST., LONDON. No. 1437. N. -- 34½in. (87.6cm.) wide See Colour Illustration
An unusually large early 20th-Century Apps' induction coil, stamped NEWTON & C o ., LONDON N o . 1437. N. , the 10-inch diamter bakelite-cased coil with six contacts numbered 50, 60, 70, 80, 90 and 100 and two brass fittings for rod conductors, with a mahogany wall-mounted support with ivory plaque for APPS' PAT D COIL MADE BY NEWTON & Co. SCIENTIFIC INSTRUMENT MAKERS TO H.M. THE KING, 3, FLEET ST., LONDON. No. 1437. N. -- 34½in. (87.6cm.) wide See Colour Illustration
.jpg "Source: Christie's")
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
