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Paul Ehrlich’s Eyepiece for the Differential Count of Red and White Corpuscles in Stained Films

Ehrlich’s eyepiece for the differential count of red and white corpuscles in dry stained films, Maker is Leitz. Introduced by Paul Ehrlich in 1900, this instrument retains its original signed case and has no condition issues. The diameter of the ring is 2″ or 5cm.   “Paul Ehrlich was a Nobel Prize-winning German physician and scientist who worked in the fields of hematology, immunology, and antimicrobial chemotherapy. Among his foremost achievements were finding a cure for syphilis in 1909 and inventing Read More...

The Spread and Influence of British Pharmacopoeial and Related Literature

The Spread and Influence of British Pharmacopoeial and Related Literature; An Historical and Bibliographic Study,Cowen, David L, (in English) with Britische Pharmakopöe-Literatur des 17. bis 19. Jahrhunderts, Hickel, Erica (in German)Pub: Stuttgart Wissenschaftliche Verlagsgesellschaft MBH, 1974Octavo hardback, cloth bound, pp105 including 14 plates of title pages + maps and tables, near fine condition.Please see the other books I have listed on Fleaglass. I have recently retired and am selling most of my scientific and medical instrument reference library, including Read More...

6 x 15 binocular magnifier by Carl Zeiss Jena

Binokulare Fernrohrlupe (Binocular telescope magnifier) by Carl Zeiss, Jena. 6 x 15 binocular magnifier, circa 1920. In original case with auxiliary close-up lenses. f = 100cm and f = 35cm. Serial number: 1075757. Case dimensions: 20.5 x 12 x 7 cm.   Literature: Zeiss Historica Society Journal Spring 2002. Pages: 17-19. Zeiss Handfernglaser 1919-1946, Modelle – Merkmale – Mythos, Hans Seeger. Pages: 529 – 534. Read More...

3 Brendel botanical models of Claviceps Purpurea

3 German Brendel models of different stages of Claviceps purpurea, an ergot fungus that grows on the ears of rye and related cereal and forage plants. From left to right: 1) Labelled “Arrhenatherum elatius (L.)….”, height 26 (probably mislabeled) 2) Labelled “Claviceps Purpurea, Tul. Mutterkorn, 2. Reifes…” height 37 3) Labelled ““Claviceps Purpurea, Tul. Mutterkorn, 1. Sclerotium”, height 39 cm Hand painted plaster on wooden base, in great condition with no major defects, just a light wear of the time Read More...

Signed Rudolf Wasserlein, Berlin Stativ 1A Microscope C 1870

Signed Rudolf Wasserlein, Berlin Stativ 1A Microscope C 1870 with case, two objectives and two eyepieces.   The case is in good condition but no key.  There are no other accessories with this microscope other than the two eyepieces and two objectives.   Case dimensions are 10 inches x 6.25 inches x 4.5 inches tall (25.4 cm x 15.875 cm x 11.43 cm).    Read More...

Steam Engine Demonstration Model for Projection by Max Kohl Germany

For sale, an early twentieth century steam engine educational demonstration model for projection by Max Kohl, Germany. Appearing in Max Kohl’s voluminous catalogues of the period, this rare and unusual demonstration model is comprised of a marble base engraved to the maker, “Max Kohl AG Chemnitz” with a brass cut-away model of the inner workings of a steam engine secured to the base. A painted cast iron pillar to the side supports the operating handle and rod to which the Read More...

Very Large Victorian Winters Pattern Electrostatic Machine

For sale, an enormous Late Victorian Winters pattern electrostatic machine. The machine is comprised of a single twenty-one inch diameter glass plate supported by upright struts on a cherry wood base, with a thick glass spindle and brass and wood handle for manual rotation. To one side is a smaller wooden strut which supports two removable leather padded shoes which are sprung at the back to create a small amount of tension to the plate when it is put in motion. Read More...

Late 18th Century wooden simple microscope

The cardboard case has a wooden top and bottom and is covered with printed paper. It contains a simple microscope in the shape of a stand of walnut supporting a pillar surmounted by a lens in a wooden mount. The specimen is held on a pin to the side and is focused by bending the pin. Measurements: height 9cm; case: 9,5cm, diam.: 3,5cm  For further photos and informations feel free to contact me. Thank you. Read More...

Opera Glasses

Gilt Metal opera glasses by Lemaire Paris in good condition, noting loss of silk to interior=£100 Pocket opera glasses by Busch Winett, brown painted metal with chamois case=£70 Frodsham patent opera glasses unsigned=£190 Aitchison Patent No.24883 with original leather case=£280 Read More...

Coin Scales

Solomon Henry Patented Coin scales sold by Mr. Pinchbeck in original Fishskin case-smal amount of damage to label-Patent No.1080 Date 12 September 1774=SOLD Semicircular fishskin cased coinscale=£200 German Coin scale by Johann Caspar Mittelstenscheid-early nineteenth century-one weight missing=SOLD Coin scale by SHARP marked also with serial number 138 two weight missing- allegedly made from mulberry tree in Shakespeares garden=£240 Read More...

Lutter Tongue depressor, C 1900

Lutter Tongue depressor or forceps, C 1900. Polished Steal and signed by the joint. Length 15 cm. Look for shop information on www.vanleestantiques.com  Read More...

Set of Riefler Drawing Instruments

A set of Riefler drawing instruments, marked on the case ‘C. Riefler,Nesselwang & Munchen. Complete but the case mildly scruffy Read More...