Device for measuring temperature variations. (Machine-translation by Google Translate, not legally binding)

摘要

DEVICE FOR MEASURING THE TEMPERATURE VARIATIONS, constituted by a disc of the appropriate material for each case, and in which, on one of its faces, a thermometric scale is printed, being crossed in its center by an axis normal to the surface thereof, and this axis being integrally joined to the disk, so that when the shaft is rotated, the disk rotates. (Machine-translation by Google Translate, not legally binding)