Geometry Escapements Pendulums Mathematics Performance Bottom
- Geometry and Mechanical Design
- Huygens, the Pendulum, and the Cycloid by Alan Emmerson, MSWord 3.0 MB
- Die Kunst mit Pendel- und Taschenuhren umzugehen und sie zu regulirn by Ferdinand Berthoud, 1759 [On the Art of Clocks and Watches and their Regulation] [Translate into English]
- Horologium by Christiaan Huygens, 1658 [The Timepiece] translated into English by Ernest L Edwardes, PDF 40K
- Neues vollständiges und allgemeines Waaren- und Handlungs-Lexicon by J. G. Fr. Jacobi [Translate into English]
- Mechanical Techniques from Pieces of Time
- English Verge Train layout
- Marine Box Chronometer
- Poole's Auxilliary Compensation
- Die Technik der Uhr by Michael Stern [The technology of the clock] [Translate into English]
- Unterricht von der Eintheilung der Zeit und verschiedener Einrichtung grosser und kleiner Uhren by Heinrich Sully, 1754 [Instruction on the Arrangement of Time and Different Mechanism of Large and Small Clocks] [Translate into English]
- A journey into the inside of a mechanical clock/watch by Volker Vyskocil
- Designing Cycloidal Gears by Hugh Sparks
- Spur Gears, from Notes on Design and Analysis of Machine Elements by Douglas Wright - Overall kinetics of a gear pair
- Helicoidal Milling from Lycée du Pays de Soule Cheraute [Translate into English]
- Gearing - why clock and watch gears are designed as they are by Mark Headrick
- Escapements
- Watch Escapements from Pieces of Time
- Verge Escapement
- Virgule Escapement
- Cylinder Escapement
- Duplex Escapement with Jewelled Impulse
- Debaufre Escapement
- Earnshaw spring detent
- Arnold's Chronometer Escapement
- London Patent Lever
- Patent Union Chronometer Escapement
- Pouzait Lever Escapement
- Rack Lever Escapement
- English Lever Escapement
- Massey Type I
- Massey Type II
- Massey Type III
- Massey Type IV
- Massey Type V
- Savage Two Pin
- Karrusel
- Swiss Straight Line Lever Escapement
- Old Escapements from watchmaker.net
- Henry DeVick 1364
- Huygens 1657
- Unknown 1700
- James Furgeson 1710
- Graham's 1718
- Thiout 1730
- Thiout 1760
- Thiout 1765
- Jean Baptiste Dutertre 1798
- Bethume 1727
- Thiout 1700's
- Unknown 1750
- Mudge 1700's
- Unknown silent escapement
- Cole's 1880
- Pin Wheel
- Single Pin Escapement 1852
- Dead Beat
- Foliot OLD
- Gallieo 1581
- Clock and Watch Escapement Mechanics, by Mark Headrick, Adobe Acrobat 1 MB
- Escapements in Motion from Mark Headrick - animations of clock/watch escapements
- Daniel's Double Wheel Watch Escapement
- Daniel's Coaxial Watch Escapement
- Swiss Lever Watch Escapement
- English Lever Watch Escapement
- Cylinder Watch Escapement
- Duplex Watch Escapement
- Chronometer Clock (or Watch) Escapement
- Graham Clock Escapement
- Recoil Clock Escapement
- Brocot Clock Escapement
- Pin Wheel Clock Escapement
- Gravity Clock Escapement
- Grasshopper Clock Escapement
- A Modified Clock Escapement
- Another Modified Clock Escapement
- The Origin and Evolution of the Anchor Clock Escapement by Mark Headrick, Adobe Acrobat 1.1MB
- Animated Escapements by Volker Vyskocil
- Recoil Escapements
- Brocot Escapement
- Metal Strip Type Of Anchor Escapement
- Tic-Tac Escapement
- Frictional Rest Escapements
- Duplex Escapement
- Graham Escapement
- Cylinder Escapement
- Detached Escapements
- Glashuetten Lever Escapement
- Lever Escapement by Hugo Mueller
- Swiss Lever Escapement
- Spring Detent Escapement
- Echappement naturel
- Extra Flat Co-Axial Escapement
- Gravity Escapement
- Haldimann Escapement
- Dual-Direct Escapement
- Pin Pallet Escapement
- Strasser Escapement
- Geometry of the Verge and Crown Wheel Escapement by Alan Emmerson, MSWord 133 KB
- The Swiss Lever Escapement from Alliance Horlogère
- Inverted Sulley Escapement from Martin Ridout
- The Detached Lever Escapement from Timely Elegance
- Multi-Escapement Timepieces by Ron DeCorte
- Ulysse Nardin Freak Double Escapement
- On a New Clock-Escapement by Richard F Bond, 1860, from David M MacMillan
- Clock and Watch Escapements, drawing of numerous types for quick comparison
- Pendulums and Power Sources
- Huygens' Clocks - Modern Experiments, by Bennett, Schatz, Rockwood, Wiesenfeld
- The Pendulum Lab by Franz-Josef Elmer, a virtual laboratory where you can do hands-on experiments at rigid pendula
- MyPhysicsLab - Simple Pendulum
- Examples of Power Generation from Pieces of Time
- Stackfreed
- Fusee and Gut
- Harrison's Maintaining Power
- Going Barrel
- English Rocking Bar Winding Work
- Unrestrained Simple Pendulum on Rotating Earth by Alan Emmerson, MSWord 381 KB
- Weight Lines, Snatchblocks, and Flight Paths by Donn Haven Lathrop, includes many useful formulae
- Some Mathematics of Cantilever Pendulum by Alan Emmerson, MSWord 1.1 MB
- The Pendulum Equation and how it applies to clocks by George Leuenberger
- Various Pendulum Equations from Georgia State University
- On the Disturbances of Pendulums and Balances, and on the Theory of Escapements by George Biddell Airy, 1886, from David M MacMillan and Gordon Uber
- Impulsing the Pendulum: Escapement Error by George Feinstein
- Mathematics
- Mathematical Models of Water Clocks by Jennifer Goodenow, Richard Orr, David Ross
- Also see Calculators for Common Horological Applications on the Repair methodology page
- Time and Frequency Standards and Measurement
- The Allan Variance - Clock algorithm in the generation of international time
- Chip Scale Atomic Clocks
- Measuring time and other spatio-temporal quantities, an article by Hartmut Traunmüller. Effects of motion and gravity, etc.
- Ion Storage Group
- ISO 8601, "Representation of Dates"
- Measurement Systems Tutorial by D.A. Howe, D.W. Allan, and J.A. Barnes of the NIST
- Optical Frequency Measurements Group
- The Effects of Motion and Gravity on Clocks and an Examination of the Twin Paradox by Curt Renshaw
