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A fine dissecting rachitome saw by Lollini, circa 1860

A very good example bearing the best Italian signature from the second par of the 19th century “F[ratel]le Lollini” of a nice dissecting rachitome saw. A rachitome is a dissecting instrument for opening the spinal canal. It was invented after Amussat and first made by Charrière in Paris. The instrument, without cracks and in genuine condition, measures 29cm lenght. Read More...

Reflecting telescope No. 22 by Jan van der Bildt junior

This lacquered brass reflecting telescope is signed ‘J. van der Bildt Jnr Franeker no.22’. The maker, Jan van der Bildt the younger (1736- c. 1780), was a son of Jan van der Bildt the elder (1709-1791). Jan the elder was a famous Dutch telescope maker who was fortunate enough to work under the patronage of King Willem IV, who was a great fan of scientific developments, especially Newtonian physics. Willem IV supported the astronomical knowledge in Franeker with funds. Read More...

Brass graphometer signed Petrus Jermanini f. Mutinae made circa 1740/1750

Brass graphometer signed “Petrus Jermanini f. Mutinae“. It features an openwork main plate engraved with three scales: the first from 0 to 180 degrees, the second from 180 to 0 degrees and the third a non-linear scale graduated 0-100-0-100-0. The vertical arm of the turntable is engraved with a cartouche bearing the signature surmounted by a grotesque. At each end of the scales are Renaissance decorations: a grotesque head with ammonite-shaped ears, surmounted by a leafy branch, and a beautifully carved Read More...

19th century Dutch Trepaan set by instrument maker J. Linden, Rotterdam

This is an early 19th century Dutch Trepaan set by instrument maker “J. Linden / Rotterdam” . This set is in the original mahogany case, lined with red velvet and hinges of brass. The set consists of a complete set of polished steel instruments with silver frames and polished agate / hardwood handles, the scalpel is of a later date. The hinged lid has a plaque with the text “Instrument Cabinets, Trepanation, Theatrum Anatomicum” and on the inside a Read More...

Rare Chinese Military Folded-Optics TWX-1 Microscope, 1971

For full details about the TWX-1 Folded-Optics Microscope see: http://www.microscopy-uk.org.uk/mag/artnov11/TWX-1.pdf https://www.baertierchen.de/wb_feb10.html Read More...

Italian album of 9 antique anatomical drawings, signed and dated 1719

An amazing Italian album of 9 antique anatomical drawings, each of them signed “Francescho Vittorio Peretti fecit”, dated 1719 and numbered, from 2 to 10 (the “1” should be the cover, not numbered). They’re clearly “inspired” by the works of Vesalius and Valverde  On the cover is the title “Anotomie Del Corpo Humano Fate da Francesco Vittorio Peretti – Fate del 1719 in Porto Ma….”. On the top of the cover there’s also “Laus Deo” + handwritten I can’t decipher. Great quality, the Read More...

Compound Microscope and Accessories, Likely Dutch, c. 1790, Modified During the 1830s’ to become achromatic

This is a very fine example of a large tripod-mounted Dutch microscope from the early 19th century. This type of microscope, a development of the Dellebarre type, is never signed, but we know some earlier examples of box-mounted and datable from the late 18th century. The present example is very similar to one preserved at Oxford (inventory inv.41738: https://www.hsm.ox.ac.uk/collections-online#/item/hsm-catalogue-6719 ) and described as Dutch. The present example was modified during the 1830s with the addition of an early achromatic Read More...

A very rare orrery or tellurium by Paravia in Torino, late 19th Century

This is a very rare example of an Italian orrery or tellurium made by Paravia in Torino from the late 19th Century or from the very early 20th Century. The large square-base in wood contains the mechanical movement and supports the months and seasons dial made in enamel. A long arm supports the earth and its little moon. The candlestick and its reflector are lacking. This type of square-base tellurium is rarer than the Felkl-type example, even more rare signed by an Italian Read More...

The only sector compass forming a caliber made by Johannes Maccarius dated 1691 known

Exceptional sector compass forming a caliber by Johannes Maccarius. This brass compass/caliper is made up of two arched legs ending in steel spikes. Note that the points of this compass are very special because they have a double function: that of a classic dry-point compass and that of a caliber with its very small points arranged perpendicularly. The upper part of the compass, octagonal in shape, ends in a ball head. At the base of this part, there is an arc Read More...

Exceptional Holland Circle by Francis Van Dieghem made in Brussels circa 1684

This holland circle, also called simple theodolite or circumferentor and characteristic of the 17th century, is an extremely rare instrument. Indeed, it is the third known holland circle from Francis Van Dieghem. It is also one of the rare Flemish theodolites from the 17th century with its characteristic Flemish shape like the early models known from Damery or Coignet. Moreover, all the scales are very well engraved and quite accurate, which is also a characteristic of renowned Flemish workshops. Read More...

Narwhal cane made in Greenland first part of 19th century.

Narwhal cane with square-shaped handle in walrus ivory, whalebone ring. Very nice spiral and natural patina. Dimension: length of 90 cm. Greenland first part of 19th century. Read More...

~RARE INDO-PERSIAN APOTHECARY SCALES IN SILVER~

An outstanding set of apothecary scales entirely constructed of solid coinage silver. Hard to date but certainly Georgian in construction with push button catch and shaped hinges (entirely hand riveted) with green baise liner and leather outer covering. This set is extensive with a 12 cm. chiselled beam, ornate gallows and indicator, silver chains to the 4 cm. pans, engine turned storage container for 30 weights (some stylised, all of equal weight), elaborate ladle/cup for liquid measures, a tamper and Read More...