{"@context":"http://iiif.io/api/presentation/2/context.json","@id":"https://edisondigital.rutgers.edu/iiif/2/D7941ZHK/manifest","@type":"sc:Manifest","label":"[D7941ZHK], Letter from Edward Hibberd Johnson to Charles Batchelor, November 2nd, 1879","thumbnail":{"@id":"https://edisondigital.rutgers.edu/files/medium/D7941ZHK/bz0883.jpg","@type":"dctypes:Image","format":"image/jpeg","width":712,"height":1072},"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/D7941ZHK","format":"text/html"},"seeAlso":{"@id":"https://edisondigital.rutgers.edu/api/items/23737","format":"application/ld+json"},"metadata":[{"label":"Title","value":"[D7941ZHK], Letter from Edward Hibberd Johnson to Charles Batchelor, November 2nd, 1879"},{"label":"Editor's Notes","value":"Fuller and Leclanch bats give out too fast on trans; only Callaud works well. Can't get them here; ordered 500 Watson cells from Bergmann. Demonstrated phones at Prof Ayreton lecture; Preece & PO crowd there. Dramatic success after failing to work properly in rehearsals. Use only Callaud on trans & small Leclanch on call bell; may put on switch to cut out induction coil & preserv bats. Switchboards should have piece of wood to write numbers on to aid novices. Likes the device for reducing knock. Latest chalks crumble. After standing awhile, chalks stick to pen; indicates they're bad. Rented room for Ott."},{"label":"Author","value":"Johnson, Edward Hibberd"},{"label":"Recipient","value":"Batchelor, Charles"},{"label":"Mentioned","value":["Bergmann, Sigmund","Edison, Thomas Alva"]},{"label":"Date","value":"1879-11-02"},{"label":"Type","value":"Letter"},{"label":"Subject","value":["Metals and minerals","Telephone","Electric battery"]},{"label":"Folder/Volume ID","value":"D7941-F"},{"label":"Microfilm ID","value":"52:885"},{"label":"Document ID","value":"D7941ZHK"},{"label":"URL","value":"https://edisondigital.rutgers.edu/document/D7941ZHK"},{"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":"2 November 1879"},{"label":"Has Version","value":"Archive.org Viewer, Microfilm Series Reel 52"}],"sequences":[{"@id":"https://edisondigital.rutgers.edu/iiif/2/D7941ZHK/sequence/normal","@type":"sc:Sequence","label":"Current Page 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