|
|||||||
Brown - figure 283 |
|||||||
---|---|---|---|---|---|---|---|
Click to enlarge |
Description
By a vibratory motion of the handle, motion is communicated by the pinion to the racks. This is used in working small air pumps for scientific experiments. |
||||||
Linked items | |||||||
|
|||||||
Permanent links | |||||||
|
|||||||
Data provider | |||||||
|