Other Archives - Page 20 of 22

Comments Off

An Antique length comparator or Becker-comparator in original sheath. It is a calibration instrument from 1850-1870 and signed bij G. Becker Arnhem. The comparator belongs to the museum “kamer van het ijkmuseum”. Length 121 cm. Look for shop information on www.vanleestantiques.com Read More...

12 Dec

Celestial globe from the USSR, Asia, 1965.

By Van Leest Antiques

Comments Off

This USSR celestial globe was made in 1965, yet it is almost identical to ones manufactured by Carey & Co, in London, UK in the early 1900s (such as item GLB0050 in the collection of the National Maritime Museum Greenwich). Though this long period of production shows the longevity of navigational devices, this instrument was almost out of date by the time of its manufacture. From the 1980s, portable electronic scientific calculators allowed navigators to make astronomical calculations with Read More...

05 Dec

SIGNIFICANT LODESTONE ON STAND

By TESSERACT

Comments Off

SIGNIFICANT LODESTONE ON STAND, Dutch, 17th / early 18th century. This large 4” (10 cm) long lodestone is a wonderfully shaped chunk of naturally magnetic magnetite, found in nature. It is mounted with iron plates and pole pieces to concentrate the field, and boldly bound in brass conforming to the shape of the stone and with decorative “columnar” supports above. The poles are engraved in Dutch “Noord” and “Suyd.” The whole lodestone weighs three pounds. It has a wonderful Read More...

05 Dec

RARE DUTCH GUNNERY RULE

By TESSERACT

Comments Off

RARE DUTCH GUNNERY RULE, 18th century, the two-sided rule made of brass 15-5/8” (40 cm) overall, pierced with a hanging hole. Each of the four long edges is hand divided with a scale, viz., three very non linear ones, YZER (iron), divided from 0 to 125, STEEN (stone) 0 to 100, and LOOT (undoubtedly lead, now written “lood”) 0 to 125, plus one linear one R. DUYMEN (likely Rotterdam inches as duymen, or duimen, meaning thumbs, like the Read More...

20 Nov

Sigurdsons Atmospheric Sea-sounding Instrument – Weilbach, Copenhagen, Denmark

By Archipel

Comments Off

A remarkable sea-sounding instrument, invented by the Norwegian Captain Sigurdsons, based on atmospheric pressure as the sea-sounding instrument of Wigzell. The instrument is put away in a pine box with a deep lead. On the lid an instruction sheet pasted to the inside.The instrument exists of a clear tube mounted inside a brass housing. The housing is fixed on a lanyard. The top end of the lanyard will be fixed to a sling and with the lead on the Read More...

18 Sep

Dutch Chloroform dropbottle, 19th C

By Van Leest Antiques

Comments Off

A Dutch Chloroform dropbottle, 19th C. Complete with the lid, which close the side hole in the glass and cork system in the bottom to fill the bottle. 15,5 cm high. For shop information look on www.vanleestantiques.com Read More...

06 Sep

C1937 SFEROSCOPIO DEL PINO IN ORIGINAL CASE

By M and R Gordon

Comments Off

SFEROSCOPIO DEL PINO. Manufactured by Belforte in Livorno,Italy, c1937. Lacks accompanying literature. There are 30 two-sided discs, each with a diameter of 8.5″ or 21 cm approx. . Very good condition. Each of the two aluminum frames has three small feet. Read More...

23 May

Botanical microscope in case.

By Van Leest Antiques

Comments Off

This instrument is a botanical microscope, first part 19th C. The instrument has the stage and objective limb mounted to a round support pillar. The stage is attached to a round sleeve that moves up or down on the pillar to focus the sample. The objective limb is screwed into the top of the pillar. There are two objectives that can be used individually, or ganged together for higher magnification. The stage accommodates a Black/White disc, a cylindrical live-box, Read More...

14 Mar

Set of 6 Botanical Grafting models, C 1930.

By Van Leest Antiques

Comments Off

A set of 6 Botanical Grafting models. It are 6 educational grafting models with different vorms of grafting as there is: Bud, cleft, whip, stub etc.. The models are from Czech Republic and in good condition. Max height 36 cm. Read More...

20 Dec

North Italian Orlogie Nocturnal, late 16th – begin 17th Century

By Van Leest Antiques

Comments Off

A North Italian orlogie nocturnal, Brass, late 16th– begin 17th century, not signed. Main disc with a diameter of 10 cm., a hole at the centre and a handle/extension of about 4 cm. Rotatable hour disc with teeth and also a pointer arm of about 6 cm length, with hole at end, both pivoted to the centre of the main disc. The main disc has anti clockwise a zodiac scale, each sign subdivided into 15 equal parts, numbered 10-20-30. There is Read More...

19 Dec

H. van Laun achromatic brass pocket telescope.

By Van Leest Antiques

Comments Off

Very Rare Dutch brass pocket optical instrument in his cylindric original red leather box. late 18th century signed by “H.v.Laun fecit Amsterd.” (Hartog van Laun)Here a really interesting discovery of this unusual optical instrument signed: “H.v.Laun fecit Amsterd.” It seems to be a small achromatic brass pocket telescope with three objectives lenses (one missing and one chipped) and one eyepiece lens, fitted in a small laquered brass tube with telescopic sliding moving focusing. (see all detailed photos) The three objectives lenses are screwed one Read More...

12 Dec

Dutch J.A.M. Bekking Aneroïde Barometer. C 1870

By Van Leest Antiques

Comments Off

A Dutch Holosteric (Anoroid) Barometer by Retailer J.A.M. Blekking ( 1826-1906) Rotterdam. The silver dial in a brass case gives the following scale from 63 to 80 with the text from “STORM – V. Regen – R. wind – VERANDERLIJK – Mooi W. Bestendig – ZEER DROOG”. On the back you find the signature of manufacture: PHNB which means Paul,Hulot, Naudet et Cie Barometers. The were very fine instrument makers. Diameter 17 cm and 5 cm depth. Bekking made and Read More...