. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . ing such beam in opposite directions,means for retarding the movement, a circuit- 110controller moved by the beam, and a record-ing apparatus, substantially as set forth. 4. In an electrical meter, the combination,with the pivoted beam, the main electro-mag-nets, and the dash-pots, of the circuit-con 115troller operated by the beam, the recordingapparatus, and the electro-magnets for work-ing such recording apparatus, substantially asset forth. 5. In an electrical meter, the circuit-con- i£9troller composed of a piv
. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . ing such beam in opposite directions,means for retarding the movement, a circuit- 110controller moved by the beam, and a record-ing apparatus, substantially as set forth. 4. In an electrical meter, the combination,with the pivoted beam, the main electro-mag-nets, and the dash-pots, of the circuit-con 115troller operated by the beam, the recordingapparatus, and the electro-magnets for work-ing such recording apparatus, substantially asset forth. 5. In an electrical meter, the circuit-con- i£9troller composed of a pivoted bar, mercury- 1cups in which the circuit is made and broken, a mercury-cup for constantly maintaining elec-trical connection with the moving bar, anda tube partly filled with liquid, for throwing i^mthe bar to the limits of its movements, sub-stantially as set forth. This specification signed and witnessed this I7th day of July, 1882. THOMAS A. EDISOjn. Witnesses: Bichd. X. Dyee,Edward H, Pyatt. (Model.) No. 295,990. T. A. EDISON. TYPE WRITER. , Patented Apr. 1, N. PETERS. Photo-Uttograptier. Washington. D. C. United States Patent Office. THOMAS A. EDISON, OF MENLO PARK, NEW SPECIFICATION forming part of Letters Patent No. 295,990, dated April 1, 1884. Application filed December 9, 1878. Benewed May 25, 1883. (Model.) Patented in England October 29, 1875, No. 3,762; in FranceMay 6, 187C, No. 112,719; in Belgium May 8, 1876, No. 39,502; in Austria August 23, 1876, No. 26,935; in Italy August 26, 1876,No. 8,733, and in Canada September 6, 1876, No. 6,508. To all ivhom it may concern: Be it known that I, Thomas A. Edison, ofMenlo Park, in the State of New Jersey, haveinvented an Improvement in Duplicate Print-5 ing, (Case No. 167,) of which the following isa specification. In Letters Patent No. 180,857, granted tome, I have set forth a pen for perforating pa-per, and a press in which the perforated pa-io per is stretched in a frame, and ink from ar
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