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Watson and Sons Ltd., English, 1925. Origin. England; London; 313 High Holborn, WC1. ... Maker. Jenkin W. Watson and Sons Ltd. [manufacturer]. Class. astronomy. Earliest Date.

Maker. W. Watson & Sons Ltd. Title. Catalogue of Microscopes and Accessories. ... Maker. Watson & Sons (Electro-Medical) Ltd. Title. Diathermy. Description. A booklet on the range of Diathermy apparatus available.

Watson and Sons Ltd., English, circa 1940. Origin. England; London; 313 High Holborn. ... Maker. W. Watson and Sons Ltd. Beck [objectives] Swift [objective] Browning [eyepieces].

Maker. Cambridge Instrument Company; Ltd. Title. Cambridge Electrometers and Photo-Electric Cells. ... Maker. W. Watson & Sons; Ltd. Title. Photomicrographic and Projection Apparatus.

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. Illustrated Catalogue of Instruments and Accessory Apparatus. ... 1885. Description. An illustrated catalogue of instruments & accessories by W, Watson & Sons from 1885.

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.

Brief Description. 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. Microscopes & Their Accessories. ... Description. Includes a wide range of microscopes and accessories. There is a large section on the construction of the Watson microscopes.

Brief Description. achromatic compound microscope, by W. Watson and Sons Ltd., English, circa 1940. ... Origin. England; London; 313 High Holborn. Maker. W. Watson and Sons Ltd.

Maker. W. Watson & Sons Ltd. Title. Watson Astronomical Telescopes and Accessories. ... William Douglas & Sons Ltd. - ‘The Douglas Pump’. Westwood & Wrights - gasholders, condensers, valves, etc.

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. E. R. Watts & Son Ltd. Title. Accuracy and Despatch. ... Maker. W. Watson & Sons Ltd. Title. Abridged list of Prepared Specimens for the Microscope for teaching and demonstration purposes.

Brief Description. model astrolabe, by Jenkin, manufactured by W. Watson and Sons Ltd., English, 1925. ... Origin. England; London; 313 High Holborn, WC1. Maker. Jenkin W. Watson and Sons Ltd.

Maker. W. Watson & Sons Ltd. Title. An Illustrated Catalogue of Mathematical, Drawing and Surveying Instruments. ... Sixth edition. Description. An illustrated catalogue of instruments by W. Watson & Sons Ltd.

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. W. Watson & Sons Ltd. Title. Microscopes and their Accessories. ... Watson & Sons' catalogue of microscopes & accessories. Shelfmark.

Brief Description. museum microscope, by W. Watson and Sons Ltd., English, early 20th century. ... Origin. England; London; 313 High Holborn, W.C. Maker. W. Watson and Sons Ltd.

Maker. C.F. Casella and Co.; Ltd. Title. Surveying and Drawing Instruments and Appliances. ... Maker. W. Watson & Sons; Ltd. Title. Catalogue of Microscopic Objects.