Huge Decorative Scientific Induction Coil

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,

Cameras are not my expertise but we could not pass up on this beauty. The camera is signed ANSCO and the large lens reads DARLO OPTICIEN, PARIS 35436. I'm told that this lens is the most valuable...

This is an original Fern-O-Grand Co. Baby Grand Piano Phonograph. Mahogany baby grand piano style case stands on cabriole legs with Queen Anne style feet; the keyboard section opens ...

This is a large impressive Arts and Crafts Chandelier. The look is also a bit Gothic. The glass glows a striking red/amber when lit and off its a bit pink/off white. This originally ...

A fully restored and working Swiss cylinder music box enclosed in a box of polished fruitwood featuring a central floral inlaid medallion on the hinged lid which opens up to reveal ...

Fabulous and appears to be completely intact. Short Mason Tycos Cyclo-Stormograph under beveled glass mahogany with a drawer which contains extra graph paper, tiny key an...

Vertical mirror galvanometer made in 1850 circa, oak and glass, three adjustable screws at the base. Tool constituted by a magnet bar movable inside a coil and connected to a needle. In the absence of current the needle is positioned vertically while when the coil is crossed by the current it creates a magnetic field that moves the needle. This type of galvanometer was used for measurement of insulation of telegraph cables...

Electrostatic machine by Wimshurst, a British engineer and shipowner, designed in the 1880s, created by Rinaldo Damiani, a builder active in Venice between the end of the nineteenth ...