Electronics Research Laboratory

Electronics Research Laboratory (HM12I)

Location: Palo Alto, CA 94301 Santa Clara County
Country: United States of America

N 37° 26.484', W 122° 9.468'

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Inscription
Original site of the laboratory and factory of Federal Telegraph Company, founded in 1909 by Cyril F. Elwell. Here, with two assistants, Dr. Lee de Forest, inventor of the three-element radio vacuum tube, devised in 1911-13 the first vacuum tube amplifier and oscillator. World-wide developments based on this research led to modern radio communication, television, and the electronics age.
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Details
HM NumberHM12I
Tags
Marker Number836
Year Placed1970
Placed ByState Department of Parks & Recreation, Palo Alto Historical Association, City of Palo Alto
Marker ConditionNo reports yet
Date Added Saturday, October 25th, 2014 at 5:24am PDT -07:00
Locationbig map
UTM (WGS84 Datum)10S E 574500 N 4144173
Decimal Degrees37.44140000, -122.15780000
Degrees and Decimal MinutesN 37° 26.484', W 122° 9.468'
Degrees, Minutes and Seconds37° 26' 29.04" N, 122° 9' 28.08" W
Driving DirectionsGoogle Maps
Area Code(s)650, 510, 415
Closest Postal AddressAt or near 190 Channing Ave, Palo Alto CA 94301, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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