The quern with rotary motion is late Roman,, and still used by Arabs.
The leaves are passed repeatedly through a machine driven by steam or other power giving a rotary motion, the operation occupying about 40 to 60 minutes.
The rotary system of drilling which is in general use in the oilfields of the coastal plain of Texas is a modification of that invented Rotary by Fauvelle in 1845, and used in the early years of the R .
It is perhaps best adapted for the printing of newspapers or magazines having circulations that do not require rotary machines intended for long runs.
As distinct from flat bed printing with a reciprocating motion, printing on rotary principles is a most interesting study, and it is Rotary this department of printing mechanics which has developed so very much in recent years.