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Tripode Nuremberg wooden Microscope C 1780

Tripode Nuremberg wooden Microscope C 1780 The base mark with J F F Read More...

Leitz – The Largest CM model polarizing microscope from the 1930s’

A large polarizing microscope used for petrography and mineralogy signed “Ernst Leitz Wetzlar” and numbered “352680”. The microscope dates back to the 1930s. The optics, prisms and all the mechanisms are in perfect working order and in pristine condition. The microscope has preserved a wide-field eyepiece number 8 and one objectives numbered 1. The set is kept in its original wooden travelling box. The present example is the largest polarizing or petrographical microscope offered for sale by Leitz during the 30s’, describes in Read More...

1920’s Human brain model

An anatomical model of the human brain. The model is made of eight parts as frontal with parietal lobes, temporal with occipital lobes, half of brain stem and half of cerebellum. Most likely German of the early 20th century. The model has some small paint and plaster damages which are normal considered the age and fragile material. Measurements: 17 x 15 x 15 cm. Read More...

A. Frey blood pressure monitor J.&A. Bosch

A blood pressure monitor inscribed with Blutdruckmesser nach Dr. A Frey Baden-Baden and on the inner side of the box J.&A. Bosch Strasburg. The Blood pressure monitor arises from a socket in in which a the steel stem can be secured. To this stem a connecting piece with two sliding holes is attached it over the stem. The connecting pieces can be secured by a rotary knob. To the horizontal direction the second stem is attached and secured. At Read More...

Leybold’s Nachfolger wheatstone bridge

A Wheatstone bridge manufactured by Leybold’s Nachfolger. In the experiment different resistors can be used by a rotatable knob. This experiment was made by Leybold’s Nachfolger A.G. Cöln am Rhein and imported by Kipp & Zonen Delft – Holland. The experiment can be hanged to a wall. a similar experiment was made by Max Kohl as shown in the pictures. 20,5 x 78,5 2,3 cm. Read More...

Post mortem set cased by Dröll of Mannheim

A post mortem set of Friedrich Dröll of 1870-1900. The set contains a pair of metal scissors, six surgical knives, two chain hooks. The set comes with its original black leathered case, with on the inner side the original lable stating ‘Fabrik Chirurgischer Fr: Dröll in Mannheim Instrumente’ on purple velvet with a decorative golden edge. Dröll advertised in the world exhibitions of Vienna of 1873: ‘Friedr. Dröll of Mannheim, Baden was selling Künstliche Arme und Beine, Maschine für Oberarmbruch, Read More...

Brendel field Ahorn

A Brendel botanical model of the field Ahorn, or Acer campestre. The Brendel model of the field Ahorn is part of the ‘laubbäume und Nadelhölzer’ or deciduous trees and conifers series. It depicts the Male and the female blossom fifteen times enlarged. The flowers are made of paper mâché which are adjusted to green painted wooden stems. On one model de leaves are cut in half, allowing the viewer to watch the stamps carefully. The stems can are held Read More...

Voltana Electric Experiment box

A Voltana Electric Experiment box with original manual in German. The experiments are meant to use with electrostatic machines. The cardboard box is in original unharmed condition. Inside the box the experiments are packed in different compartiments. Among them a geissler tube, a Leyden Jar, a Carillon. The manual contains descriptions of the experiments with instructions how to handle and to clean the different experiments. For example of the most ‘prachtvollen, wunderbaren‘ Geisslertubes which are the one of ‘schönsten Anwendungen’ Read More...

Brendel potato flower model

Brendel potato flower model no. 10 (Pirus Malus), of circa 1890. Look for shop information on www.vanleestantiques.com Read More...

Oger scarificator with sixteen lancets, 19th c

A 19th century brass scarficator with sixteen lancets, signed ‘Oger’. The scarificator comes with its original Marocco leather covered box which can be secured by a hook. On the inner side a red velour. Box measurements: 7,5 x 5,5 x 7,5 cm. Read More...

AN UNUSUAL GERMAN HAUPTNER FARRIERS BLADE EXCHANGING CASED SET.

This is a great Farriers set- in good condition. There are 5 blades which fit into the wooden sided handle. These all sit into a leather case measuring 13 x 9cms.  It was probably made in the 1930s . The blades are in great condition, and one could use it today. Read More...

Stalagmometer G .Gerhardt Bonn ca 1890

Stalagmometer G Gerhardt Bon ca 1890 in its original box ,from the former property of the University of Amsterdam ( see box ) engraved in the glass tube: No 7 C Gerhardt Bonn a RH the glass bulb is engraved with ; J Traube stalagmometer zur Fusselbestimung 20 vol % =101.2 T 15 C A similar specimen is in the National Museum of American HistotyA stalagmometer is a glass instrument that measures the surface tension of a liquid, and Read More...