Detail of a Spring Mechanism
A pen-and-chalk study of a spring device with a few jotted figures
The upper part of the leaf shows, in pen and red chalk, the detail of a spring mechanism: a frame carrying coiled springs and small pulleys. Below the drawing are a few jotted figures - 2, 200 | 221 and 99. The remainder of the sheet is blank.
On this page
Detail of a coiled-spring mechanism
A bracket-like frame carries coiled springs and small pulleys, drawn as a detail of a larger spring device. The construction is worked out in pen over red-chalk underdrawing.
Jotted figures
Beneath the drawing are the numbers 2, 200 | 221 and 99, set down as brief calculations or measurements associated with the mechanism.