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Maker. W. Watson & Sons Ltd. Title. Dark-Ground Illumination with the Microscope. ... Watson & Sons giving instructions for using the paraboloid and lamp attachment for dark-ground illumination with the microscope.

Inscription. ‘W. WATSON & SONS LTD. LONDON’ (engraved in two places on brass mechanism). ... Five black painted iron weights; spare eyepieces. From Watson’s catalogue (see history file): The equatorial head:.

It was here on February 28th 1953 that Francis Crick and James Watson first announced their discovery of how DNA carries genetic information. ... Description Notes. blue plaque, removed from the eagle pub, commemorating watson and crick's announcement of

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.

Login. Accession No. 5886. Brief Description. screw-micrometer eyepiece, by W. Watson and Sons, Ltd., English, 1940 (c). ... Special Collection. Provenance. Donated on 01/11/2002. Inscription. On micrometer:. W. Watson & Sons, Ltd.

Maker. W. Watson & Sons Ltd. Title. The Book of the Watson Microscope. ... Description. A small booklet about the Watson microscope, giving directions for its use.

Watson and Sons Ltd., English, circa 1940. Origin. England; London; 313 High Holborn. ... 26865’ (on hind leg). ‘x1.5. W. Watson & Sons, Ltd. London’ (on eyepiece holder).

Maker. W.Watson & Sons Ltd. Title. The Watson-Conrady Objectives for Astronomical Telescopes. ... Description. A leaflet for the Watson-Conrady objectives for astronomical telescopes. Shelfmark.

Reichart]; and Germany; Jena [Carl Zeiss]. Maker. W. Watson and Sons Reichert, C. ... Description Notes. Eight objective lenses. Four Watson objectives; two by Reichert; two by Zeiss.

Maker. W. Watson & Sons Ltd. Title. Supplemental List of Watson's "Argus" Microscope and Accessories. ... October 1903. Description. Supplemental list of Watson's "Argus" microscope & accessories.