[N319205], Technical Note, Thomas Alva Edison, April 18th, 1886
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Title
[N319205], Technical Note, Thomas Alva Edison, April 18th, 1886
Editor's Notes
[see N320009] p. 205 (drawings also on p. 204) drawing "Grasshopper-- To get rid of heavy induction wave; p. 207 drawing "Grasshopper see if greater or lesser compression don’t lengthen or shorten the column of air in tone. If above so that Fall of Barometer will throw a resonator badly out of adjstmt"; p. 209 drawing "Fundamental Magnetic Exmpt put poles inch apart & then make lot of piece X through which lines force must pass & see if there is any such thing as Specific Magnetic Inductive Capacity"; pp. 210-11 drawings "XYZ pass wires & tubes filled with liquids parallel & at right angles through a prismatic beam of light-- Pass a beam of violet light down a liquid in a tube & pass the tube parallel & right angles to a beam of red light also orange etc use magnets"; drawings "Telephone Receiver Earpiece"; p. 217 drawing "Fundamental see if it will conduct & get Resistance every 10 feet";
Author
Date
1886-04-18
Type
Folder/Volume ID
N319-F
Microfilm ID
43:266
Document ID
N319205
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University