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Van Heurck Type Binocular / Monocular microscope

Inventory Number 18593.1

Brief Description
The Van Heurck microscope with the option to have as binocular or monocular set up. Made by W. Watson & Sons Ltd, London, c.1900
Subject
Microscopy
Item type
Object
Provenance
Purchased in 1993 by Sir Jack Edward Baldwin (1938-2020) Waynflete Professor of Chemistry and Head of Department of Organic Chemistry at the University of Oxford until he retired in 2005. Elected a Fellow of the Royal Society in 1978 and knighted for his contributions to the field of organic chemistry in 1997.
Primary inscriptions
W. WATSON & SONS LTD / 313 HIGH HOLBORN / LONDON / 17701 [back of the tripod and leg] HOLOS / Watson & Sons Ltd / London / 2186 // 4 mm. / 85 N.A.. / TUBE LENGTH 200 mm. [On the 4mm objective] HOLOS / Watson & Sons Ltd / London / 782 [?] // 6 mm. / 95 N.A.. / TUBE LENGTH 160 mm. [On the 6mm objective] HOLOS / Watson & Sons Ltd / London / 2128 // 25 mm. / 30 N.A.. / TUBE LENGTH 250 mm. [On the 25mm objective] THE UNIVERSAL / 0.4 in. 1.0 n.a./ W. Watson & Son Ltd. / London / 2202 [On the condenser]
Physical material
Brass
metal
Glass
Object type
microscope
Dimensions
Height: 37.7cm Width: 18.2cm Depth: 21cm Weight: 5.1kg
Inventory No
18593.1
Accession Number
2022-81

Description

The microscope has a black oxidised metal tripod foot with brass fixtures and cork feet. It is currently set up with the binocular body tube which have rack and pinion interloctur distance adjustment. There is a multiple objective, rotating nosepiece containing three objectives: 4 mm, 6 mm and 25 mm. The stage plate is adjustable in two directions. Attached substage is a universal condenser which can swing out. There is a dial for fine control substage. The mirror has two different surfaces and is adjustable

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