The artificial clock-maker a treatise of watch, and clock-work, wherein the art of calculating numbers for most sorts of movements is explained to the capacity of the unlearned : also, the history of clock-work, both ancient and modern, with other useful matters, never before published / by W.D.
About this Item
Title
The artificial clock-maker a treatise of watch, and clock-work, wherein the art of calculating numbers for most sorts of movements is explained to the capacity of the unlearned : also, the history of clock-work, both ancient and modern, with other useful matters, never before published / by W.D.
Author
Derham, W. (William), 1657-1735.
Publication
London :: Printed for James Knapton,
1696.
Rights/Permissions
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Subject terms
Clock and watch making.
Link to this Item
http://name.umdl.umich.edu/A35722.0001.001
Cite this Item
"The artificial clock-maker a treatise of watch, and clock-work, wherein the art of calculating numbers for most sorts of movements is explained to the capacity of the unlearned : also, the history of clock-work, both ancient and modern, with other useful matters, never before published / by W.D." In the digital collection Early English Books Online. https://name.umdl.umich.edu/A35722.0001.001. University of Michigan Library Digital Collections. Accessed May 29, 2025.
Pages
descriptionPage [unnumbered]
THE CONTENTS.
...CHap. I. Of the Terms of Art.
The more general Terms. p. 2.
Names belonging properly to the Watch-part. p. 8.
Names of the Clock-part. p. 5.
...Chap. II. The Art of Calculation.
...Sect. 1. Preliminary Rules.
To find the turns of a Wheel or Pinion, 8.
The way of writing down the Numbers, 9.
To find the turns of any, or all the Wheels in the Movement, 10.
To find the Beats of the Ballance in all the Watches going, or in one turn of any Wheel, 11.
Two strokes to every tooth of the Crown▪wheel, 14.
...Sect. 2. Calculation of the Watch-part.
Several ways of performing one and the same motion, 15.
A Rule to vary Numbers, 16.
The way of working the Golden Rule, 17.
A very useful Rule to vary inconvenient Numbers, 18.
Rules of perpetual use in proportioning the parts of a Watch, 19.
Examples of contriving a piece of ordinary Watch-work, 22.
Examples thereof for Minutes, and Seconds, 29.
...Sect. 3. Calculation of the Striking-part.
...
descriptionPage [unnumbered]
...
...
General Observations and Rules relating to the Wheel-work of a Clock, p. 33.
Rules of perpe∣tual use in proportioning the parts of a Clock, 35.
Examples of Calculating the Numbers of a small Clock, 38.
Examples of Clocks of longer conti∣nuance, 39.
An useful Rule to find the number of Strokes in one turn of the Fusy, 33.
Exam∣ples of fixing the Pinion of Report, 34.
...Sect. 4. Of Quarters and Chimes.
Notes concerning the Quarters, 45.
Of making the Chime-barrel, 46.
Of dividing it, and set∣ting on the Chime-pins, 47.
Chimes of Psal. 100, and of a Song-tune, 50.
Another way of setting Chimes on the Barrel, 52.
...Sect. 5. To calculate Numbers to represent the Celestial Motions.
Contrivance of Movements only to shew these Mo∣tions, 53.
To add it to a Watch that shews the hour of the day, 55.
A motion to shew the day of the month, 56.
To shew the Age of the Moon, 57.
To shew the day of the Year, and Sun's place in the Ecliptick, his Rising or Setting, &c. 58.
To shew the Tydes, ib. To represent the motion of the Planets, fixed Stars, &c. 60.
...Chap. III. To alter Clock-work, p. 62.
Ex∣ample of converting a 12 hour Ballance-clock into a Pendulum, 63.
To make it go 30 hours, 65.
To change the Clock-part, 67.
...Chap. IV. To size Wheels and Pinions.
To do it Arithmetically, 69.
Mechanically, 70.
...Chap. V. Of Pendulums.
Irregularities of Pendular motions remedied, 71.
Cause of the difference of the motion of the same
descriptionPage [unnumbered]
...
Pendulum, 72.
True length of a Pendulum that vibrateth Seconds, 73.
To find the Center of Oscillation, 74.
To calculate the Lengths, or Vibrations of Pendulums, 75.
A Table of Lengths and Swings, 78.
To correct the motion of a Pendulum, 79.
...Chap. VI. The Antiquity, and general Histo∣ry of Watch-work.
The ancientest Time-engine, 82.
The Grecian and Roman ways of measuring Time, 83.
Some horological Instruments mentioned by ancient Au∣thors, 84.
Watch, or Clock-work, no new Ger∣man Invention, 86.
The Sphere of Archi∣medes, 87.
Of Po••idonius, 89.
The be∣ginning of our present Clock-work, 91.
Clocks that perform strange feats, 92.
...Chap. VII. The Invention of Pendulum Watches.
Mr. Hugens the Inventer, p. 93.
Others claiming it, 94.
Their beginning in England, 95.
The contriver of their carrying a heavy Ball, &c. 96.
Their use, ibid.
The Circu∣lar Pendulum, 97.
...Chap. VIII. Of the Invention of Pocket Pen∣dulum Watches.
Inventer, p. 99.
Several ways of them, ib.
The time when invented, 103.
Mr. Hugens's Watch, 104.
...Chap. IX. The Invention of Repeating Clocks.
The Inventer, p. 106.
When and by whom first used in Pocket Clocks, 107.
...Chap. XI. Numbers for various Movements.
The way of Watch-makers writing down their
descriptionPage [unnumbered]
...
Numbers, 109.
Numbers of an 8 day Piece, 110.
A Month Piece, 112.
A Two Month Piece, 113.
A Quarter of Year piece, 114.
An Half Year Piece, ib.
A Year Piece, 115.
A lesser 30 hours Piece, ib.
A small Week Piece, ib.
A small Month Piece, 116.
A small Year Piece, ib.
An 8 day Piece Pend. 3 inches, 117.
Numbers representing the Motion of the Planet Saturn, 118.
Of Jupiter, ib.
Mon∣sieur Romer's Instrument for Jupiter's Satel∣lites, 119.
Numbers for Mars, Venus, and Mercury, 120.
For the Dragons Head and Tail, 121.
Numbers for Pocket Watches of 8 days, ib.
Of 30 hours, 122, 123.
The way to amend the Numbers, 123.
...Chap. XI. Tables of Time.
A Table for ready casting up the parts of Time, 124.
A Table to set a Watch by the Fixed Stars, 125.
A Table of the Variations of the Hour by the Sun's Refraction, 117.
Observa∣tions concerning Refractions, and the Variations of the Hour, 128▪
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