E6 -- Dissertatio de novo quodam curvarum tautochronarum genere

(Dissertation on a number of new types of tautochrone curves)

Summary:

According to Eneström, "Intrigued by a clock invented by D. Sully, Euler busied himself with the construction of curves which cause a pendulum to swing isochronally."

Publication:

Originally published in Commentarii academiae scientiarum Petropolitanae 2, 1729, pp. 126-138
Opera Omnia: Series 2, Volume 6, pp. 4 - 14
Reprinted in Comment. acad. sc. Petrop. 2, ed. nova, Bononiae 1741, pp. 111-121 + 1 diagram [E6a]

Documents Available:

Original publication: E006 (in the Commentarii), Volume 2
Ian Bruce has made both a translation and transcription of E6 available at his page Mathematical Works of the 17th Century.

Return to the Euler Archive