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Medieval Horology & Such

Horology lit. "the study of time" is the art or science of measuring time. Clocks, watches, clockwork, sundials, hourglasses, clepsydras, timers, time recorders, marine chronometers, & atomic clocks are all examples of instruments used to measure time. In current usage, horology refers mainly to the study of mechanical time-keeping devices, while chronometry more broadly includes electronic devices that have largely supplanted mechanical clocks for the best accuracy & precision in time-keeping.
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an intricately designed golden object on a white surface with no people in the photo
This elegant compendium—an astronomical toolkit from 1557—contains two different kinds of sundial, a nocturnal and two lunar volvelles to tell time at night, a world map, ten pages engraved with astronomical and astrological tables, seven blank pages, and a magnetic compass. (Adler Collections M-363)
an open metal box with two doors and some knobs on the inside, in front of a gray background
SHADOW OF NIGHT real-time reading, 8 April 1591 (Chapter 30): "Master Habermel stopped by. Your compendium is on the table." You may recognize parts of Diana's compendium in the images below. The first image was not by Habermel, but another period instrument maker named Johann Anton Linden, and it provided me with the general structure of Diana's compendium, onto which I projected Habermel's style. ` Deborah HArkness facebook
a small wooden box with some beads in it
Orrery
an old clock with roman numerals on it
The Astrolabe, East and West: Astrological aspects of the planets
Astrolabe and Astrological Volvelle, Italian, later 15th century(Inv. 45127)
a gold and black clock on top of a table next to a red box with an object in it
Log in
Solar Orrery: a mechanical device that illustrates the relative positions and motions of the planets in the solar system.
there is a clock on the table next to a lamp
a small wooden box with many different designs on it
Vielflächige Tischsonnenuhr
an open metal box with two doors and some knobs on the inside, in front of a gray background
Epact: Scientific Instruments of Medieval and Renaissance Europe
Diptych-dial; ivory; oval; filled in with black and red colour; brass volvelle for interconverting solar and lunar times; vertical dial for string-gnomon surrounding pin-gnomon dial; inscription; horizontal dial for string-gnomon surrounding pin-gnomon scaphe-dial showing Babylonian hours; date and signature; compass well; crowned asp trade-mark and Tucher legend; central engraved gilt plaque. Antique Clock Mechanism, Diptych Dial, Medieval Clock Mechanism, Antique Clock Mechanism Close-up, 18th Century Orrery, Compass Dial, Solar Time, Marcos Del Cuaderno De Notas, Sundials
volvelle / sundial / diptych-dial / compass-dial
Diptych-dial; ivory; oval; filled in with black and red colour; brass volvelle for interconverting solar and lunar times; vertical dial for string-gnomon surrounding pin-gnomon dial; inscription; horizontal dial for string-gnomon surrounding pin-gnomon scaphe-dial showing Babylonian hours; date and signature; compass well; crowned asp trade-mark and Tucher legend; central engraved gilt plaque.
an antique astronomical map with stars and the names of the planets in gold on black
Philips'planisphere showing the principal stars visible for every hour in the year
Philips'planisphere showing the principal stars visible for every hour in the year
a small wooden box with many different designs on it
Vielflächige Tischsonnenuhr
1576, Kunsthistorisches Museum Wien, Kunstkammer Wien
an image of a clock with gears and balls on the front side, as if it were made out of wood
Wooden Tellurion Tellurix
Hand driven Wooden Tellurion from Christopher Blasius. Plans are available at holzmechanik.de
the parts of an antique pocket watch
The Parts of an Astrolabe | Whipple Museum
Explore Whipple Collections - The parts of an astrolabe
an old fashioned machine with brass parts on it's legs and wheels, sitting on a gray surface
19th Century Theodolite
an antique brass pocket watch with a black chain around it's neck and the time displayed
100 years calendar.