English Compound Monocular Microscope
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Description
A W. Watson & Sons Van Heurck Compound Monocular Microscope, English, ca. 1910's,
Signed. W. Watson & Sons Ltd., 313 High Holborn, London on back foot and numbered 10573.
Rack-and-pinion focus to the draw tube, sub-stage fine control and fine focus is by thumb wheel lever, with 360 degree rotating mechanical stage, seven objectives, two oculars, a parabolic hemi-illuminator, mirror concave and plano, and other accessories. See photos.
Contained in a fitted mahogany case.
Case dimensions: H: 15 3/4 x W: 12 1/4 x D: 11 1/4 in.
H: 14 1/4 W: 10 D: 7 in.
From the Estate of John A. Davidson, Jr. Proceeds to benefit the APL of Lorain County and the Dittrick Museum.
Signed. W. Watson & Sons Ltd., 313 High Holborn, London on back foot and numbered 10573.
Rack-and-pinion focus to the draw tube, sub-stage fine control and fine focus is by thumb wheel lever, with 360 degree rotating mechanical stage, seven objectives, two oculars, a parabolic hemi-illuminator, mirror concave and plano, and other accessories. See photos.
Contained in a fitted mahogany case.
Case dimensions: H: 15 3/4 x W: 12 1/4 x D: 11 1/4 in.
H: 14 1/4 W: 10 D: 7 in.
From the Estate of John A. Davidson, Jr. Proceeds to benefit the APL of Lorain County and the Dittrick Museum.
Condition
Case in poor condition. Lacing key and original accessories.
Wear is consistent with age and use. All lots have imperfections or the effects of aging. Gray's Auctioneers shall have no responsibility for any errors or omissions.
Wear is consistent with age and use. All lots have imperfections or the effects of aging. Gray's Auctioneers shall have no responsibility for any errors or omissions.
Buyer's Premium
- 25% up to $1,000,000.00
- 23% above $1,000,000.00
English Compound Monocular Microscope
Estimate $300 - $500
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Auction Curated By
Fine Art, Furniture & Decorative Art Specialist
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