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13 Jan

Equisetum No 4 model, Robert Brendel

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Brendel Equisetum model No 4, Female prothallium XXIV.L, with various stages of archegoniam development and emerging young plant, enlargement 100x. The retailer was Merkelbach & Co, Amsterdam. 48 cm high. Look for shop information on www.vanleestantiques.com  Read More...
13 Jan

Lathyrus ( Pisum Savitum) model, Robert Brendel

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A Lathyrus ( Pisum Savitum) model shaped by Robert Brendel, circa 1880. Brendel (1821-1898) started on the middle of the 19th century a factory for botanical flower shaped in Breslau. This flower model is very detailed and has many parts which can be taken off the flowerstem. The retailer was Jac Swilders / hulpmiddelen voor school /  Amsterdam. Height 49 cm. Look for shop information on www.vanleestantiques.com  Read More...
13 Jan

Brassica Napus Brendel flower model

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An Brendel Brassica Napus flower model. The model is restored and reference no 18 model conform the Brendel Catalogue/Price list from 1913-1914. the model is 49 cm high and in good condition. The retailer was Merkelbach & co / Amsterdam Read More...
13 Jan

Brendel Phasolus vulgaris model

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A Brendel Phasolus vulgaris model. Germinating bean, 8 times enlarge, dissectible and young plant with still adhering cotyledons. 44 cm high. Look for shop information on www.vanleestantiques.com  Read More...
13 Jan

Brendel Triticum model, C 1890

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An early anatomical flower model made by Robert Brendel. This model is an enlarge model of the Triticum Vulgare . The model has number 11 and is 30 times enlarge. There some extra labels on the base as there is “Robert Brendel / Berlin W /  Kurfurstendamm”. 40 cm high. Look for shop information on www.vanleestantiques.com Read More...
12 Jan

Equinoctial Sundial in silver signed Johaan Martin C 1680

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Silver and gilt-brass equinoctial sundial signed Johaan Martin in Augsbourg. Octogonal silver plate, supported by three turned legs , containing a compass indicates four cardinal point( Sept Or Me Oc) Brass latitude arc is divided 0 to 90. Gilt-brass plumb bob support shaped and decorated with leaf design. Compass base engraved with a table of latitudes. Black octogonal original case.   Read More...
06 Jan

Ross monocular and Goerz monocular.

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Two monoculars: An early 20th century 4.5″ long prismatic monocular, signed ‘Ross, London, No 24868’. On the bottom shoulder is a military arrow, ‘1908. No4365’. It has a twist focus which works from a spiral groove inside the eye piece . In good condition giving a good clear image when viewing. Magnification 8.5 x. The other signed ‘C.P. Goerz, Berlin’ with engraved foliate scrolls around the signature. Focussing is with lever rack and pinion. Overall length is 82 mm. It has Read More...
22 Dec

Microscope Slide Preparation Turntable Frey ca 1880

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Microscope Slide Preparation Turntable Frey ca 1880 Turn Tables consist of circular revolving discs embossed with concentric and arranged with a mechanism for securing the slide upon which an object is to be mounted.  They are employednot only for centering the slide, object and cover glass, but also for applying the cement in circles about the mounted body and building raised cement cells, etc. 21cm X 9 cm X 10 cm.Wil be well packaged and sent by register mail. Read More...
20 Dec

~RARE and FINE ASMUS’ SIDEROSCOPE by RICHARD SITTE, BRESLAU, GERMANY (OPHTHALMIC)~

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A rare and fine Asmus’ Sideroscope by Richard Sitte, Breslau, Germany c. 1900. Museum quality piece and only slightly modified as the original electromagnet obviously failed and was discarded. Wonderful mahogany/rosewood, brass and glass construction on three adjustable legs. Ophthalmic instruments/additional magnets included. This instrument was used for the magnetic detection and removal of iron and steel filings from the eye using a compass needle enclosed in a glass tube, suspended by a silken thread (intact). The downfall of the Read More...
15 Dec

A Stereo Wolf Kystoscope in original box.

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A Stereo Wolf Kystoscope in original box, C 1930 with a battery handle for the lamp. Rare piece. Measurement box 34 x 13 x 5,5 cm. Look for shop information on www.vanleestantiques.com  Read More...
15 Dec

Anatomical prostatic model on wooden base, C 1930

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A two piece Anatomical prostatic model on wooden base, C 1930. Read More...
15 Dec

A gum Catheter with solid ends

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A gum Catheter with solid ends. Length 31,5 cm. Read More...
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