Comments Off on Cruise Sphygmomanomater By Down Bros.
A fine example of a Sir Francis Cruise’s sphygmomanometer, which was used to measure pressure in the radial artery. See last image for more details on its use. This instrument was introduced by Cruise, an Irish surgeon in 1908 and this example by Down Bros was likely made not long after. Cruise was an Irish surgeon and an early pioneer in the use of the endoscope. He was knighted in 1906.
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Comments Off on Compound Microscope Chest Type Signed DOLLOND London
The copper alloy body tube holds three lenses and the lower, narrow section of the body has an external thread to take objectives. The body is supported by a ring on an arm attached to the top of the square cross sectioned pillar.
The cruciform stage has a recessed stage hole, two pinholes and a keyhole slot for accessories.
The stage is mounted on a sleeve and can be racked up and down, for focusing.
A pivoting arm holds the mount for Read More...
A good quality cupping set by Solomon Maw, 11, Aldersgate Street London, with working six blade scarificator, oil bottle, burner and six cups, four with chamois leather sleeves.
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Comments Off on ~GOOD POCKET TELESCOPE WITH DECAGONAL BARREL~
A good decagonal (10 sided) pocket telescope with oaken barrel and early knurling of the brass c.1800.
16 cm. closed, 24 cm. open, it has sliding protective lens covers to both ends. Unsigned. Excellent, powerful optics. 2.5 cm. diameter. Small bruise to ocular cover.
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A lacquered brass inclinometer, 5 inches long, the bubble level being 4.75″, with intact cross sights. The scale is divided to 90 degrees with increments to one degree.
No case.
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Comments Off on R. Willis Patent Rolling Pin Parcel Scale
An example of R. Willis Rolling pin scale for weighing parcels up to postage value of 32 pence or a weight of one pound. Marked on the pan ‘R. Willis Patentee, Manufactured by Josh & Edm Ratcliffe St. Pauls Square Birm.’ Dull unpolished brass finish. Good overall condition noting that the detachable weight is missing, and one wood side panel missing
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Comments Off on c. 1798 Unsigned Carpenter/Jones Improved Monocular Microscope with case and many accessories
Unsigned Carpenter/Jones Improved Monocular Microscope with case and many accessories c. 1798. Height is 16 “when fully retracted and 19” when fully extended. Case measures about 19. 5 “tall. Stage is a cruciform shape with round friction fit stage clip that holds slides. Attached to base via a compass joint that allows inclining of the microscope. Coarse focusing works very well and is of rack and pinion type. Accessories include two stage mounted forceps, black/white disc, fish plate, glass Read More...
Comments Off on Eighteenth Century Trepanning brace
An eighteenth century trepanning brace with a modern wood display stand, in good condition noting insert missing from top of handle and a loose ferrule, both shown in images. Signed ‘McRin’
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