The picnometer should be calibrated with distilled water at 15° C.
The galvanometer can be calibrated with this resistance, which is known as a shunt.
Both instruments must, of course, be calibrated as I have explained before.
The instruments can be so calibrated that it is quite easy to make the alteration.
They should be calibrated by the office of weights and measures.
For very exact measurements the instrument should be placed north and south, in the same position in which it was calibrated.
The relative “strength” of the circuit is then given by the calibrated position of the sliding section.
His eyes were still on the needles that kept creeping higher and higher along the calibrated periphery of the meters.
A small aluminium sphere was arranged to blow out at the end of a light cord exerting tension on a calibrated spring.
He identified a waterproof switch on the box, and two small knobs mounted on calibrated plates.