Stand upon the seashore and observe the advancing rollers before they are distorted by the friction of the bottom.
"Six Lectures on Light" by John Tyndall
To reduce friction each link is provided with three rollers, as will be seen in the engraving.
"Scientific American Supplement, No. 421, January 26, 1884" by Various
It is not as liable to "butt" and the friction is less when the guard point is thrown against the small roller.
"An Analysis of the Lever Escapement" by H. R. Playtner
The cylinder is delicately supported, and revolves in friction rollers.
"A Treatise on Meteorological Instruments" by Henry Negretti
Friction roller Galet de friction.
"English-French and French-English dictionary of the motor car, cycle, and boat" by Frederick Lucas
For the most part, sliders come in two flavors: inexpensive friction-based devices that easily get stuck, or heavy roller-based units that cost an arm and a leg.
The conversion kit updates the saw's performance through the use of all sealed ball-bearing roller guides, which provide reduced blade friction and improved ...
RA drive transmission rate (including friction roller and horseshoe) is approximately 950:1 which leads to the RA resolution of 3.4 arcsec per step.
The All Sky Automated Survey