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Universal pocket sundial in disc shape made circa 1700 in Augsburg attributed to Johann Martin

This disc-shaped pocket sundial is made of white metal. It is engraved on both sides, one of which is equipped with a fold-down brass gnomon, while the other has a movable gilt-copper index with a suspension ring.  The face forming sundial is engraved with several vertical hour lines ranging from 2 to 11 o’clock (‘Orientale’ = Eastern) in the upper part and from 1 to 10 o’clock in the lower part (‘Occidentale’ = Western). These lines intersect the lines of Read More...

Rare mechanical equinoctial pocket sundial signed Nicolaus Rugedas Augustae made in Augsburg circa 1700

Silver and gilt-brass mechanical equinoctial pocket sundial, for latitudes between 30 and 65 degrees north, made by Nicolas Rugendas III (1665-1745). It is housed in a black fish skin case with brass hinge and hooks.   The round silver case opens with a hinge. The outer faces are engraved with a list of cities and their latitudes inside a laurel wreath. All around, and on each side, there is a frieze of stylised leaves. The inside reveals a compass, a silver Read More...

Carl Adami 13 inch terrestrial globe, Berlin, 1900.

Carl Adami 13 inch terrestrial globe, by Dietrich Reimer, Berlin, Germany, 1900. “C. ADAMI’S ERDGLODUS neu bearbeitet und gezichnet von H. KIEPERT. Dietrich Reimer, Berlin. 1900 (E.Vohsen) Wilheln Str. 29.“ Course fur HandelsdampfermitAngabe der Entfurnugen in secmeilen (Course for merchant steamers with distances in seconds). Steamer lines and cables indicated. Height: 62 cm. Globe diameter: 33cm.   Published by Dietrich Reimer Verlag, cartography by Carl Adami (1802-74 ) revised by Heinrich Koepert. Verlag Dietrich Reimer founded in 1845. Read More...

Obstetrical anatomical model, German, possibly Bock-Steger

A great German obstetrical model, from the second half of 1800’s. It’s not branded but it definitely feels like a Bock-Steger production. Actually it comes from the University of Leipzig, where Karl Bock worked. It was stored in the house of a former professor for anatomy from Halle until last year and you can see in the photos its original conditions: I always love to see how such treasures can sleep for decades surviving oblivion, 2 World Wars, relocations… before being Read More...

Rare spirit fired locomotive of a Stirling No 1

A fine late 19th century spirit fired steam locomotive 4.25″ gauge  Stirling No 1,  4-2-2  Read More...

C1896 Variant of Weller’s Aseptic Anesthesia Mask

Variant of Weller’s Aseptic anesthesia Mask.This example appears to be German in origin and has a registry number that dates it to 1896. Our example was probably made some years later, as it is all metal–see below. It is in vg condition. The Wood Library of Anesthesia site, shows an earlier English version of this mask and provides the following details: “In 1868, two decades after the introduction of nitrous oxide anesthesia, Chicago surgeon Edmund Andrews, M.D. (1824-1904) advocated the Read More...

“Fructulet”: Nassauer’s 1920s Pessary for facilitating fertilization

“Fructulet”: Nassauer’s 1920s Pessary for facilitating fertilization. Length of instrument: 2.5″. Box and instrument in vg condition. Donna J. Drucker, in her 2023 MIT Press monograph FERTILITY TECHNOLOGY,  notes: ” To take another example, the Munich-based gynecologist Dr. MaxNassauer (1869–1931) encouraged patients to use a pessary that hedesigned, the Fructulet, which had a flat base to occlude the vaginal canaland a stem that kept the cervix open so that sperm were not blocked fromreaching the uterus. Nassauer’s Fructulet was subject to Read More...

Anatomical model of the head by Marcus Sommer

A rare anatomical model of the head by Marcus Sommer (Germany), from the late 1800’s. Hand painted papier machè on wooden pedestal, hand written Italian labels, in perfect condition. Life size of the head, total height is 48 cm. Read More...

C1920 “Super-Echoskop” All-Metal Stethoscope

An near-mint “Super-Echoskop”,  all-metal binaural  stethoscope in its original labeled box.We have been unable to find the maker but the example on offer was retailed by Walter Fullenback in Jena. The scope complete and retains the diaphragm cover. The rubber ear pieces show slight deterioration, but otherwise it is superb condition Read More...

1930s Skeletal Traction Pin Set by Jetter & Scheerer

We had listed this set previously but without a specific description. Thanks to the kind help of orthopedic surgeon, Dr. Tom Karnezis, whom we paraphrase and quote below, we’ve learned that this a device employing skeletal traction pins to “keep the bones close to each other and at length allowing them to get “sticky” and heal in alignment  and proper rotation. Skeletal traction pins were usually inserted at bedside to provide balanced skeletal traction.Once the bone heals with +?- Read More...

C1910 binaural stethoscope w. glass ear pieces in original wooden case

A good C1910 binaural stethoscope in original wooden case. Likely German in origin and C1910 in date. Excellent condition, noting that factory-provided tubing had hardened and become brittle; we replaced it with similar supple tubing. Original ear pieces are glass. Read More...

1805 Silver Phrenology Medal: Franz Joseph Gall

Issued in Berlin in 1805 , this rare silver medal celebrates the achievement of Franz Joseph Gall (1758-1828). One side with a profile bust of Gall, the other with a skull. The skull is not demarcated into the 27 faculties he “discovered”. Inscriptions in Latin : “Distribvit Partes Animae Sedesqve Auditor Berolinens 1805″ and on the other side: “Josepho Gall Organ In Cerebro Scrutatori.” Below the bust is the monogram “AR”, presumably the initials of the sculpture who created Read More...