Mark Frank

8.61K subscribers

375 videos

The videos on this channel are out takes from those on my website: www.my-time-machines.net. They are primarily focused on a an astronomical skeleton clock I...

Latest Videos

Chicago Time Lock Co. model Perfection

Pouvillon, measuring the pendulum swing

Pouvillon, Zodiac precession March 2012

How Pinwheel Calculators Work

Johann Schuster calculator, 1820

French industrial style Waterwheel clock, c. 1900

French orrery mantle clock

Philipp Matthäus Hahn calculator, 1770 1774, Division

Johann Christoph Schuster, 1820

Mechanical calculator, Johann Jakob Sauter. Video curtesy of Gotesborg Stadsmuseum. IMPROVED AUDIO

Arithmometere. Charles Xavier Thomas, Colmar in Alsace, France, 1872.

How the Arithmometer Works, Charles Xavier Thomas, Colmar in Alsace, France, 1872

Gottfried Wilhelm Leibniz, 1672, demonstration video

Arithmometer calculator, Charles Xavier Thomas, Colmar in Alsace, France, 1872

Philipp Matthäus Hahn calculator 1770 1774, demonstration model

Astro-skeleton project. The summation conference call.

Robert Roskell, Liverpool, England, c.1840 skeleton clock

Watson orrery armature demo

Watson clockwork module finished

Watson 2nd wheel end shake repair

Watson technical overview 1

Watson demonstration overview

Theodor Kromer, A. G., Freiburg, Germany

Triple axis escapement model

Big Ben replica video

Oliver Pillard model #3, New Britain Bank Lock Co., 1875. Demonstration video.

New Britain Lock Co., Pillard model #3 movement, 1875

Dent epicyclical skeleton

Hall Premier double dial #3, c.1870 with HallConsolidated time lock, c.1882

Chicago Time lockDiebold Marsh v 2, demonstration of bolt dog arming option.