Evening Republican, Volume 21, Number 262, Rensselaer, Jasper County, 20 November 1917 — Popular Science. [ARTICLE]

Popular Science.

An average tar yields 70 per cent of pitch and only 6 per cent <>f materials useful in making dyes. If a grain of granulated sugar} were a hollow ca psul e Lt woul d hold 400,000,000 typhoid bacilli. A 30-passenger auto bus with a four-wheel truck in front, runs on a standard railway track in the Hood river region of Oregon. The most powerful telescope in the southern hemisphere, ranking as the third most powerful in the world, will soon be completed at the national astronomic observatory, Cordoba, Argentina/ The public of Cleveland, 0., is made familiar with the operation of the Are alarm devices of the city by means of frequent demonstrations by competent persons connected with the fire department.*