Inside Out Library · Explore

Scientific American, Vol. 60, No. 23 (1889) (1889)

leaf 8

An illustration from Scientific American, Vol. 60, No. 23 (1889), 1889, leaf 8
d rim, which fits the circular casing and acts as is sprinkled on the surface several times a day for some The strip of paper is only two-fiftieths to three-fiftieths a valve in controlling the escape of air. The perfora- days todryit. A of an inch wide, and therefore must be wound with the tions… … are due in New at the center of SIREN. Jersey this sum- the casing is mer, and.Professer John B. Smith, the entomologist thrown outward by centrifugal force, thus maintaining of. the State Scientific S¢hool at Rutgers College, New greater flexibility and finer luster. In this. they equal a pressure…

Internet Archive · Public domain (published before 1931). Free to use for anything.

More pictures from Scientific American, Vol. 60, No. 23 (1889)

More like this