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Guide to the William J. Hammer Collection

30 results in NMAH.AC.0069 for "Electric circuits"
Record
Date
Container
Series 1: William J. Hammer Papers
1851-1957
1.4: Writings by Hammer
1851-1931
Diagrams, Drawings, Sketches, and Graphs:
Types of selenium cells selected by Hammer selenium cell controlling electric circuit
17
3
1.5: Secondary Writings About Hammer
1880-1913
Regulator for controlling two circuits at one time
April 7,1883
19
6
Circuit tester
June 20, 1887
19
6
Safety device for electrical circuits, patented Feb. 12, 1889
19
6
1.7: Patent Materials
1883-1930
Hammer & Francis R. Upton Patents: Connecting Device for Electrical Conductors; Safety Catch for Electrical Circuits #368,764
August 23, 1887
21
6
Hammer's Patent: Safety Device for Electrical Circuits #397,715, February 12, 1889; #400,669
April 2, 1889
21
8
Decision of the U.S. Circuit Court of Appeals upholding the Edison Incandescent Lamp patent,
Extra the Electrical Engineer
Oct. 4, 1892
21
18
Series 2: Edisonia
1847-1960
2.5: Menlo Park; Electric Train; Incandescence
1878-1960
Lamps and electric wires
1884-1960
U.S. Circuit Court, Southern District of New York,
The Edison Socket Case: Text of opinion of Judge Lac and Injunction Order, in the case of Edison Electric Light Company against William J. Newton
Oct. 13, 1894
27
4
U.S. Court of Appeals, Northern District of New York,
The Edison company Socket Case
,
Full text of the Opinion of the U. S. Circuit Court
Feb. 14, 1895
27
4
2.13: Litigation Of Edison Patents
1882-1915
U.S. Circuit Court (Eastern District of Missouri). Edison Electric Lighting Co. vs. Columbia Incandescent Lamp Co. et al:
Defendants' Affidavits in Opposition to Motion for Preliminary Injunction
35
Complete Set, Complainant Geobel Affidavits
35
Circuit Court of the U.S. (Southern District of New York)
36
The Edison Electric Light Co. vs. The United States Electric Lighting Company (Defendant)
36
In Equity, #3445
June 11, 1886; Jan. 20, 1890; and April 7, 1890
36
U.S. Circuit Court (District of Mass.) Edison Elec. Light Co. vs. Beacon Vacuum Pump & Elec. Co. et al
1893
37
1
U.S. Circuit Court (Eastern District of Wisconsin) Edison E1ectric Light Co. vs. Electric Manufacturing Co.
1893
37
2
U.S. Circuit Court (Dist. of Conn.) Edison Elec. Light Co.& Edison G.E. vs. Waring Elect. Co
1893
37
3
U.S. Circuit Court (Western Dist. of Penn.) Edison Elect Light Co. and Edison General Electric Co. vs. Westinghouse Electric & Manufacturing et al
1893
37
4
Sawyer and Man vs. Edison (The Westinghouse-Edison Case)
37
5
U.S. Circuit Court of Appeals (N.Y.), Waring Electric Co. vs. Edison Electric Light Co.
1894
37
6
The Wright Company (Complainant) vs. Louis Paulhan (Defendant)
39
1
Series 3: Reference Materials
1870-1989
3.9: Electric Railways
1895-1898
United States Circuit Court, Western District of Michigan: Benson Bidwell, Clara E. Bidwell, Charles F. Bidwell vs. Consolidated Street Railway Co.
52
Full text of case of Thomson Houston Electric Company vs. Union Railway Company and Walker Company - filed in U.S. circuit Court
Feb. 12, 1898
52
U.S. Circuit Court, Eastern Division, Eastern District of Missouri: Adams Electric Railway Co., Vs Lindell Railway Co., brief for defendants
52
Circuit Court of the United States, Western District of Michigan, Southern Division, Benson Bidwell, Clara E. Bidwell and Charles F. Bidwell (complainants) vs. Consolidated Street Railway Company (Defendant) on Bidwell Patent No. 318,594. Defendant's record on final hearing
52
U.S. Circuit Court, Eastern Division of Eastern Missouri, Adams Electric Railway Co. vs. The Lindell Railway Co. Brief for Defendants
52
U.S. Circuit Court, Eastern Division of the Eastern District of Missouri, Adams Electric Railway Co. vs. The Lindell Railway Co. Argument of Frederic H. Betts for Defendant on Final Hearing
52
Suspended Switch Case (Circuit Court), Full Text of Decision in the case of Thomson Houston Electric Co. vs. Elmira and Horsehead Railway Co.
June 19, 1895
52
Suspended Switch Case. (Circuit Court of Appeals) Full Text of decision in the case of Thomson-Houston Electric Co. vs. Elmira and Horseheads Railway Co.
June 19, 1895
52