UK and Ireland Archives - Page 6 of 96

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Various instruments for a vacuum pump about 100 years old 1 so-called drop tube with a small stone and a small bird feather in it. When the tube is vacuumized they both fall down equally fast.2 Couple of Magdeburg Hemispheres3 Fountain tube for nice water and vacuum test demonstration 4 Vacuum sphere to demonstrate the weight of air Price € 125 each Read More...

15 May

Brass rectangular protractor, by Francis Watkins, circa 1760

By Le Zograscope

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A good English rectangular protractor in brass, engraved “F. Watkins”, circa 1760. As well as the usual angular scale the instrument contains a diagonal scale for plotting distances on a map or plan ; on the other side, 7 mathematical scales and 5 reduction or chart scales. Watkins was actif between 1747 and 1786, so we can date the instrument circa 1750-1760. Good condition. The instrument measures 15,7cmx4,8 cm. 15,7cmx4,8 cm. Read More...

15 May

SOLD – Small stage magnifier for microscope.

By Scientific Inspirations

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SOLD – Early – mid 19th century brass stage magnifier to fit compound / Gould / Culpeper microscope. The glass diameter measures 23 mm, 31 mm including the brass cell. The steel holder 45 mm long. The steel pin fits into a small brass lug with a thread on it. Post to: U.K. £4.95, Europe £16, U.S.A. £22. Read More...

14 May

SHUTTLEWORTH SPYGLASS LATE 18TH CENTURY

By MikeRead

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POST/SHIPPING ARRANGED, FULLY TRACKED. Contact Email: [email protected] Read More...

09 May

JABEZ HOGG’S OWN WORKING COPY OF HIS CLASSIC OF VICTORIAN MICROSCOPY

By Boris Jardine Rare Books

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HOGG, Jabez (1817–1899) The Microscope: Its History, Construction, and Application (London: George Routledge & Co.), 1859 Fourth edition [copy used in the preparation of the 6th edition] 8vo; pp. xiv, 621 Jabez hogg’s own working copy of his classic of Victorian microscopy. Signed by Hogg to the front free endpaper, with a note ‘Corrections for 5+6th editions’. In fact, these changes were only incorporated in the 1867 sixth edition, as the 1861 fifth is really a reissue of the fourth. The sixth is the Read More...

03 May

SOLD – Antique R & J Beck – Continental Pattern Brass Microscope – circa 1910, Cased

By Arcboutant Scientific

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Offered for sale is a gleaming example of an antique R & J Beck monocular microscope standing on a continental-type horseshoe foot in lacquered brass finish. According to my R & J Beck instrument dating table, manufacture would have been in around 1910 with the instrument carrying serial number 28241. The condition of this example is exceptionally good, with hardly any age and use signs of wear to the lacquer finish that I can detect and a look that Read More...

29 Apr

Sovereign Balances

By Fletcher

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49-Wood cased sovereign balance, paper label on lid ‘Improved sovereign balance with Grain weights (no grain weights included) 50-Gilt metal sovereign balance 51-Dull unpolished brass sovereign balance marked ‘patent’ with crown 52-Unusual sovereign balance with slotsat right angles to usual position 53-Cased sovereign balance marked ‘Warranted correct’, case distressed 54-Harrison’s Improved Sovereign balance in hinged wood case 55-Sovereign balance marked ‘Simmons’ in case. 56-Cased Improved Sovereign Balance, marked ‘Bush’d’, case distressed Read More...

26 Apr

THE CABLE CAPACITY GAUGE

By TESSERACT

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Measuring the Packing Density of Cables, English, c. 1915, by Simplex Conduits Ltd. of Birmingham. The four 2-1/2″ diameter (6 cm) swivelling brass disks have holes labeled from 1/2″ to 2″, although the actual hole diameters are (intentionally) approximately 1/8″ less than these numbers. The set is complete with leather pocket case and booklet illustrating the packing density of cables of various diameters. This unusual measuring outfit is in fine condition, by a company specializing in the manufacture of Read More...

26 Apr

Set of 17 Hydrostatic spirit balls in case by Baldy Bombaley 19 century

By Early Science

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Set of 17 Hydrostatic spirit balls in case by Baldy Bombaley 19 century in rosewood box . Dimensions of the box diameter 85 mm height 32mm. A similar box is in the Science museum collection.sciencemuseumgroup.org.uk/objects/co114755/spirit-bubbles Will be carefully packaged and sent by registered mail. Read More...

25 Apr

SOLD – Antique W. Johnson & Sons – Histology-type Brass Microscope – circa 1900, Cased

By Arcboutant Scientific

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Offered for sale is a very good example of an antique monocular brass microscope by London makers W. Johnson & Sons, bearing production reference number 1043, with the instrument likely to date to the 1900 to 1910 period. The condition is generally really good, with only a few minor age and use appropriate signs of wear to the finish on the instrument and just the right time worn look to its lacquered finish and brass-work. This example also has Read More...

25 Apr

SOLD – Antique R & J Beck Improved Continental Large Brass Microscope – c1910, Cased

By Arcboutant Scientific

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Offered for sale is a really well-specified example of an antique R & J Beck monocular microscope standing on a continental-type horseshoe foot in lacquered brass finish. According to my R & J Beck instrument dating table, manufacture was in 1910 with the instrument carrying serial number 28820. The condition of this example is generally very good, with just the right age and use signs of wear to the lacquer finish here and there where you’d expect and a Read More...

25 Apr

Antique Victorian dental Tooth Key with ebony handle c1800

By Curiotiques

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Offered for for sale is this Antique Victorian dental Tooth Key with ebony handle. 1780-1820. Brief history: Before dentists had chairs that didn’t look like torture devices, they had this: the tooth key. A charming little implement designed to wrench offending molars from your mouth with all the grace of a blacksmith pulling nails from a floorboard. Invented in the 18th century and widely used well into the 1800s, the tooth key was inspired by – you guessed it – a Read More...