Large Early Paper Mache Didactic Model of Fish

The velvet lined case is full and contains 45 sample lenses. The case is signed in gold stamped letters L.O. BITTNER & CO., OPTISCH FEINMECHANISCHES WERK. MUNCHEN. I have never seen ...

What is an ophthalmotrope? An ophthalmotrope is an apparatus for demonstrating the movements of the eye and the action of the different muscles which produce them, consisting essentially of a model eyeball to which are attached strings and pulleys to duplicate the line force of the muscles. We think this example is most likely French from the early 20th century. The base is marble with paw feet. It’s also quite large at well over 3 foot tall. This instrument is very complete. It also includes additional parts to set the mechanics up in a different way. In the pictures above the strings are attached to a keyboard. The alternative replaces the keyboard with string guide with a dozen hanging tubular weights. This is one of the largest and most decorative examples we have seen. I have only seen pictures of ophthalmotropes and never one this fine and complete. It’s as rare and impressive show piece. This item was also used in the movie Knives Out,

This is a large delicate tin model made around the same time the real Tin Goose was flying. The wingspan is an impressive 40 inches. The wheels are rubber and the 4 part windshield is glass. I'm surprised the model survived in such nice and complete condition for about 90 years. We had a custom display stand made for it that brings it to another level. Between 1926 and 1933 some 200 Trimotors were built in Ford's own factory. Corrugated metal on great thick monoplane wings was a German development, used in Junker JU-52 planes that were flying the Berlin-Rome-London route. Trimotors were flown by airlines, oil companies and wealthy individuals. The Ford Trimotor...

This scope is unsigned and was acquired from a European collector. It could be American but I'm guessing its not. The eyepiece and turning mechanism are brass. The tube is canvas wra...

Anatomical cut of a human skull composed in natural painted papier-maché, with numbered labels on the different elements

Didactic anatomical model of an enlarged jaw, mounted on a wooden board with hooks for hanging. In evidence the circulatory system, the roots of the teeth, and two caries. Made in ha...

Anatomical models have been used for centuries as an adjunct to teaching anatomy, and play an important role in the history of anatomical education. Models became popular over time f...

Didactic anatomical enlarged model of a trachea made in the 1950s, made of hand-colored cellon and mounted on a bakelite base. On a label on the base you read Deutsches Hygiene Museu...