UK and Ireland Archives - Page 39 of 94

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From the 17th century onward people had made many attempts to devise a mechanical log which would automatically record the ships distance done. Edward Massey invented a mechanical log in 1802 with four blades which was used by the Admiralty from 1807-1815. When dragged behind the ship the log vin rotates and the revolutions were transformed in miles on the dials, to be read after the log was brought in. The design of Massey was further refined by Thomas Read More...

09 Dec

~AN UNUSUAL VICTORIAN CAMERA LUCIDA-MAHOGANY CASED~

By Scientifica Opticae Inc.

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A good Victorian camera lucida in brass-unsigned but of the highest standards and with unusual construction features. The C-clamp and extension arms are of normal construction although the smallest extension is not demarcated. The prism head is where the innovation is seen. A flip-type sun filter of rectangular form in a brass frame with 4 screws, a pivoting prism head by knurled nut and an articulating arm to the prism (flawless) by a ball and socket joint (much as you Read More...

09 Dec

Down Bros Aspirateur

By Van Leest Antiques

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A nickel-plated brass Aspirateur du Dr Potain by Down bros Londen. The aspirator is used to treat pulmonary pathologies and to suction liquids or gases contained in natural or accidental cavities of the body. The set comes with a robinet (divider) and nine needles; two large trocars, three small trocars and three large with round endings. The syringe is signed ‘Down Bros Ltd makers London S.E.1.’ The set comes in a wooden case. There is a signed brand attached to Read More...

08 Dec

A large marine telescope in case – Fedele Primavesi.

By Scientific Inspirations

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A large marine telescope. The taper barrel is finished in black leather with lacquered brass collars, eye piece and lens cap. It measures 31.5″ long and 39″ with the draw tube pulled out, the tube signed, ‘F. Primavesi, Cardiff’. The main lens has a diameter of 2 & 5/8″ and gives excellent clear views. No dents, dings or chips. Everything is intact. Contained in a canvas covered wooden case which is lined with green baize and ( handle detached at on Read More...

08 Dec

Early 19th c. telescope – John Browning.

By Scientific Inspirations

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A three draw telescope with variable power pancaratic eye piece. It is heavily engraved along the first and second draw tubes; ‘John Browning, London. Pancratic. This tube alone to be used for the purpose of adjusting the focus to suit the eye’. The second tube engraved, ‘High power. To be drawn out to the double line and the focus re-adjusted by sliding in the other drawer, only to be used in the day time, when the weather is clear’. Two John Read More...

07 Dec

Governor wheel – Fly wheel – Regulator – W. Waring (?), circa 1878

By Archipel

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The spoked fly wheel is introduced in 1878 by W. Waring. Subsequently applied in large quantities by Walkers and others. This early hand-made brass item is possible made by Waring. Date: ca. 1878D: 22.5 cmSigned: not signedOrigin: poss. EnglandCondition: perfect with small signs of use More nautical instruments can be seen at www.archipel-img.com Read More...

07 Dec

Large Circular Protractor or Navigational Plotter – Chas. Smith, 1910

By Archipel

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Remarkable navigational protractor with cross piece in a green baize lined mahogany case. With a 0-360 degree scale and four 0-90 degree scales in the quarters. Diameter 30.6 cm. Made by Chas. Smith, London and used by the War Department. Date: 1900-1920D: 30.5 cm (1 foot)Signed: C.S © Ltd. And B.033 – W10?VC/1320Origin: EnglandCondition: perfect More nautical instruments can be seen at www.archipel-img.com Read More...

07 Dec

Excelsior IV Ship-log with Rotator – Walker’s, Birmingham

By Archipel

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A ship-log records the distance traveled through the water. With the time in hours between the observations, it gives the ship’s speed in knots. This is a very nice set with clock, line, rotator, sinker weight, tin with oil and shoe in a pine case with labels and instructions for use in the lid. The log is fixed on a shoe at the stern of a ship. The recorder would have been connected with a line to the rotor at Read More...

06 Dec

Dollond spyglass with two-lens eyepiece and achromatic objective, circa 1780

By Le Zograscope

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A small telescope or spyglass, signed “Dollond London”, circa 1780. This telescope has is equipped with two objective lenses giving different power magnifications. The objective lens is achromatic. The tube is marked “1” and “2” depending on the lens used. The brass is scratched and has lost much of its original lacker but the optics work perfectly. The small telescope preserveds its screw cap. 11cm folded and 4.5cm in diameter. Read More...

06 Dec

Silver plated marine telescope – Dollond.

By Scientific Inspirations

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Top quality marine telescope by Dollond, the taper barrel finished in Honduras mahogany. Length: 25″ closed, 30.5″ with the draw tube out. Achromatic lens of just over 1.5″. No splits / cracks / dents. Very clear to look through. It has the initials ‘C H’ engraved to the collar. Some wear in areas of the plating. Read More...

05 Dec

Rare artificial Horizon – Sewill, Liverpool, around 1850

By Archipel

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Artificial or mercury roof horizon, rectangular black-lacquered cast iron trough with pouring hole and brass-framed roof-shaped cover with clear glass panels. Round iron bottle filled with mercury with stopper and iron funnel, in fitted wooden carrying box, signed and made by Sewill, maker to the Royal Navy, Liverpool. Only a few copies of Sewill are known. Even the Maritime Museum in Greenwich does not have a copy.The artificial horizon was used to establish the elevation of the sun or Read More...

03 Dec

BOOKS ON SUNDIALS

By MikeRead

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POSTAGE ARRANGED WITH TRACKING. Contact Email: [email protected] Read More...