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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...

A fine first half 19th-century case-mounted pocket compound microscope

This is a so-called Gould-style compound microscope with a rectangular support pillar. The support is hinged at the bottom and mounted in the inner bottom of a rectangular wooden case. The focus is achieved by sliding the stage up and down the main support pillar. The illuminating mirror is inserted into the pillar below the stage with a pin. The stage has two rectangular brass plates. The top plate has two locating pins that fit into matching sleeves attached Read More...

A GERMAN 1919 SEVEN DAY RAZOR SET made in SOLINGEN.

This is a great seven day razor set, made in Solingen Germany. The steel blades are like new – although day Friday & Saturday have slight nicks.  Also written on the blades is Silver Stahl. The bodies are made of bakelite . The box is slightly tatty on the outside. 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...

C1820 ,WORKING GERMAN AUTO LANCET FLEAM , BRASS WELL ENGRAVED WITH SLIDING LID WITH ORIG. CASE. BLOOD LETTING

THE LANCET AND ITS CASE  IS IN GOOD CONDITION WITH DECORATIVE ENGRAVING NOTHING IS BROKEN , NO REPAIRS,    LID SLIDES OPEN SO YOU CAN SEE MECHANISM AND  SET  IT. THE LID OF THE BOX IS EMBOSSED ” BRAUNICTESFTICHT ”  or similar ? Read More...

Pfeiffer Wetzlar Dasymeter

A Pfeiffer Wetzlar Dasymeter or baroscop to measure the Buoyancy of Air or the weight of air. A small balance supporting a glass bulb and a small weight on two sides of an arm. When placed in a evacuated bell jar the glass bulb appears heavier due to its greater loss of buoyancy. On top a  pointer and scale. The balance arises from a lacquered brass stand. The stem is inscribed by its manufacturer A Pfeiffer Wetzlar. The company Pfeiffer Read More...

~WONDERFUL GERMAN COMPASS/SUNDIAL-THREE INCH~

A German (lowland) three inch (75 mm.) square compass/sundial with a crisp hand painted dial, blued ornate compass needle and pivot point, original glass with small imperfection and sitting atop a black wooden plinth c.1780. The 36 mm. compass dial is divided into 32 areas/cardinal points with OST for east, etc. and demarcated by green, blue and yellow paint colours. The area around North (Nord) is further subdivided for an area of magnetic deviation (0-30 +/-). No damage or deterioration Read More...

Two Stylus Driven Addometer Calculators

The AS Lineal calculator, made in Germany and retailed by Berville,18 Rue de la Fayette, Paris-in good working order, in original case, with stylus, with zero reset handle. The Addometer, Regd U. S Patent Office-in good working order, in original case with stylus, for financial sterling calculations up to £9,999. This example retailed by Taylor’s, 74, Chancery Lane, London Read More...

Heavy Duty Metal Addiator/Fractometer for Linear Measurement Addition and Subtraction

Heavy duty German calculator for addition and subtraction of linear measure in feet and inches-heavy enamelled metal case in good working condition Read More...

Somso heart model

A Somso anatomical heart model, in two parts and on a stand. Made from plaster and painted in polychrome by Somso Germany. The model shows a section of the heart ventricle and auricle, and shows the valves of the heart. Also the aorta bow and the upper hollow vein are indicated. Height: 23 cm. Read More...

One-Off Copy of Carl Zeiss’ First Model Microscope Signed A.F. Niemeyer Braunschweig, ca. 1850

This is a unique copy of the first microscope produced by Carl Zeiss, which was introduced in 1843. In the initial model, the microscope was inserted into a dovetail guide on top of the walnut box. However, from 1849, these tripods were screwed onto the box, as seen in this example. This construction solution is both cost-effective to produce and more practical for users. Therefore, the microscope seen here is a copy of the later model that was produced Read More...