Evening Republican, Volume 21, Number 232, Rensselaer, Jasper County, 3 October 1918 — One Ton of Meter Jewels. [ARTICLE]

One Ton of Meter Jewels.

One ton of sapphires was used during the year of 1917 in ode factory where the jeweled bearings of electric meters are made, says Electrical Experimenter. The jewels are purchased In the rough and are put through finishing and drilling processes which require a degree of skill comparable only to that of an experienced watchmaker.