Charles Rambert obeyed and stood under the standard of measurement, and then, as the assistant ordered him, he submitted to having his fingers smeared with ink so that his finger prints might be taken, to being photographed, full face and in profile, and finally to having the width of his head, from ear to ear, measured with a special pair of caliper compasses.
"Fantômas"
Pierre Souvestre Marcel Allain
1389 represents a micrometer caliper for taking minute end measurements.
"Modern Machine-Shop Practice, Volumes I and II"
Joshua Rose
1392 is shown a vernier caliper, in which the vernier is attached to and carried by a slide operating against the inside edge of the instrument.
"Modern Machine-Shop Practice, Volumes I and II"
Joshua Rose