Near the instrument is a clock regulated to sidereal time.
"Sir William Herschel: His Life and Works" by Edward Singleton Holden
As an illustration, let us suppose that in a certain shop where hangs a regulator are two clocks to be regulated.
"Our Calendar" by George Nichols Packer
A guard, the strength of which is to be regulated by the sentries required, is to mount every morning at nine o'clock.
"Bygones Worth Remembering, Vol. 1 (of 2)" by George Jacob Holyoake
Fig. 3 Voltage controlled gate A particular attention was paid to the clock duty cycle conservation , this is why the cell is highly symmetric. 2) Phase detector The purpose of this block is to provide phase difference information for performing the line regulation.
Development of a TDC to equip a Liquid Xenon PET prototype