rfect acoustical isolation, insuring precisionmeasurement on noise and vibration problems. Building the worlds largest-selling electric cleaner is big-time engi-neering, and many thousands of hours of design, tests, research andstudy go into constructing each new cleaner model. The Hoover… … (Continued from page 38) In December. 1856. in the end of theterm of the L nited States CircuitCourt, sitting in Chicago. Lincohi wasengaged by the defendants in the caseof Durfee & Green v. Sherman & Bay.The complainants, the owners of a pat-ent in connection with a stream dredg-ing…
