{"@context":"http://iiif.io/api/presentation/2/context.json","@id":"https://edisondigital.rutgers.edu/iiif/2/D8828ADN/manifest","@type":"sc:Manifest","label":"[D8828ADN], Letter from Edison Electric Light Co, John H Vail to Thomas Alva Edison, December 1st, 1888","thumbnail":{"@id":"https://edisondigital.rutgers.edu/files/medium/D8828ADN/er0970.jpg","@type":"dctypes:Image","format":"image/jpeg","width":733,"height":920},"license":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":"Provided by The Thomas A. Edison Papers at Rutgers University","related":{"@id":"https://edisondigital.rutgers.edu/document/D8828ADN","format":"text/html"},"seeAlso":{"@id":"https://edisondigital.rutgers.edu/api/items/46261","format":"application/ld+json"},"metadata":[{"label":"Title","value":"[D8828ADN], Letter from Edison Electric Light Co, John H Vail to Thomas Alva Edison, December 1st, 1888"},{"label":"Editor's Notes","value":""Enclosed herewith pleaes find copy of a letter received from Lockport, N.Y. asking as to the durability of copper wire for arc light circuits. ### We are not in possession of sufficient information to answer this letter accurately. ### Will you be kind enough to send me your views on the subject, and if Mr. Kennelly can furnish any additional information I will be most happy to receive it." Yours truly, J.H. Vail, Gen'l Supt. Per V.B. Encl. [Marginalia: My opinion is that if the arc current is a continuous one the copper itself will last indefinitely if alternating currents are used it will probably become rotten by reason of the crystalization in a few years. E." "Ans Dec 4/88"]"},{"label":"Author","value":["Edison Electric Light Co","Vail, John H"]},{"label":"Recipient","value":"Edison, Thomas Alva"},{"label":"Mentioned","value":"Kennelly, Arthur Edwin"},{"label":"Date","value":"1888-12-01"},{"label":"Type","value":"Letter"},{"label":"Subject","value":["Metals and minerals","Arc lighting","Sockets, fuses, meters, and other interior elements"]},{"label":"Folder/Volume ID","value":"D8828-F"},{"label":"Microfilm ID","value":"122:971"},{"label":"Document ID","value":"D8828ADN"},{"label":"URL","value":"https://edisondigital.rutgers.edu/document/D8828ADN"},{"label":"Rights","value":"Thomas Edison National Historical Park"},{"label":"Publisher","value":"Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University"},{"label":"Timestamp","value":"1 December 1888"},{"label":"Has Version","value":"Archive.org Viewer, Microfilm Series Reel 122"}],"sequences":[{"@id":"https://edisondigital.rutgers.edu/iiif/2/D8828ADN/sequence/normal","@type":"sc:Sequence","label":"Current Page Order","viewingDirection":"left-to-right","canvases":[{"@id":"https://edisondigital.rutgers.edu/iiif/2/D8828ADN/canvas/p1","@type":"sc:Canvas","label":"1","thumbnail":{"@id":"https://edisondigital.rutgers.edu/files/medium/D8828ADN/er0970.jpg","@type":"dctypes:Image","format":"image/jpeg","width":733,"height":920},"width":733,"height":920,"images":[{"@id":"https://edisondigital.rutgers.edu/iiif/2/D8828ADN/annotation/p0001-image","@type":"oa:Annotation","motivation":"sc:painting","resource":{"@id":"https://edisondigital.rutgers.edu/iiif/2/229850/full/733,920/0/default.jpg","@type":"dctypes:Image","format":"image/jpeg","width":733,"height":920,"service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://edisondigital.rutgers.edu/iiif/2/229850","profile":"http://iiif.io/api/image/2/level2.json"}},"on":"https://edisondigital.rutgers.edu/iiif/2/D8828ADN/canvas/p1"}]},{"@id":"https://edisondigital.rutgers.edu/iiif/2/D8828ADN/canvas/p2","@type":"sc:Canvas","label":"2","thumbnail":{"@id":"https://edisondigital.rutgers.edu/files/medium/D8828ADN/er0971.jpg","@type":"dctypes:Image","format":"image/jpeg","width":741,"height":938},"width":741,"height":938,"images":[{"@id":"https://edisondigital.rutgers.edu/iiif/2/D8828ADN/annotation/p0002-image","@type":"oa:Annotation","motivation":"sc:painting","resource":{"@id":"https://edisondigital.rutgers.edu/iiif/2/229851/full/741,938/0/default.jpg","@type":"dctypes:Image","format":"image/jpeg","width":741,"height":938,"service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://edisondigital.rutgers.edu/iiif/2/229851","profile":"http://iiif.io/api/image/2/level2.json"}},"on":"https://edisondigital.rutgers.edu/iiif/2/D8828ADN/canvas/p2"}]}]}]}