Evening Republican, Volume 21, Number 294, Rensselaer, Jasper County, 17 December 1918 — WORLD’S PROGRESS [ARTICLE]

WORLD’S PROGRESS

Portable electric machinery ha* been invented to screen coal and load it in wagons. The inventor of a pulley with depressions in its surface contends that belts will not slip when it is used. Pennsylvania’s mineral resources yielded an output valued at nearly two billion dollars last year. A motion camera has been Invented for taking portraits which are separated and mounted in book form, the appearance of motion being imparted ah the pages of the book are turned rapidly.