E6 -- Dissertatio de novo quodam curvarum tautochronarum genere
(Dissertation on a number of new types of tautochrone curves)
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."
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
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