Word: pivots
(lookup in dictionary)
(lookup stats)
Dates: during 1880-1889
Sort By: most recent first
(reverse)
...shafting, similar to that used in mills, in place of the plain iron rods now in use in the old machines; by changing the bearings so that the weight box will run exactly parallel to the bars, and thus prevent lateral pressure, and by increasing the diameter of the pivot...