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Brief Description. direct-vision spectroscope, by W. Watson and Sons Ltd., English, 1900 (c). ... Origin. England; London. Maker. W. Watson and Sons Ltd. Accession No.

Maker. W.Watson & Sons Ltd. Title. Emergency Catalogue of Microscopes and Accessories. ... 25th edition. 1918. Description. Emergency catalogue of Watson microscopes and accessories.

Brief Description. three pairs of ‘Speera’ Binocular magnifiers, one pair by W.Watson and Sons Ltd., English, 1/4 20th Century. ... Origin. England; London; 313 High Holborn. Maker. W. Watson and Sons Ltd.

Maker. W. Watson & Sons Ltd. Title. Catalogue of Microscopes and Accessories. ... Watson & Sons from 1910-11. Shelfmark.

Brief Description. screw-micrometer eyepiece, by W. Watson and Sons, Ltd., English, 1940 (c). ... Origin. England; London. Maker. W. Watson and Sons, Ltd. Accession No.

Maker. Cambridge Scientific Instrument Co. Ltd. Title. Cambridge Distance Thermometers. Description. ... Maker. W. Watson & Sons Ltd. Title. Illustrated Catalogue of Microscopes, Objectives and Accessory Apparatus.

Maker. W. Watson & Sons Ltd. Title. An Illustrated Catalogue of Opera, Field and Marine Glasses, Astronomical and Portable Telescopes, Barometers, Thermometers, &c., &c. ... Description. A catalogue from W. Watson & Sons of various glasses and other

Maker. W. Watson & Sons Ltd. Title. Catalogue of Microscopes and Accessories. ... Twenty-second edition, 1912-13. Description. A catalogue of microscopes & accessories by W.Watson & Sons from 1912-13.

Maker. W. Watson & Sons Ltd. Title. The Astrolabe. Description. A leaflet describing the uses of the astrolabe and the two models available from W. ... Watson & Sons. Shelfmark.

Login. Shelfmark. Wts.54. Maker. W.Watson & Sons Ltd. Subjects. Astronomy; telescopes; telescopic accessories; refractors; reflectors; equatorial mountings. ... Title. Second-hand Astronomical Telescopes and Sundries. Description. Catalogue of secondhand