Letter from Thomas Edison to Malcolm MacLaren
date: label: date made
content: 1916-01-05
name: label: maker
content: Edison, Thomas Alva
notes: label: Description (Brief)
content: A letter from Thomas Edison to Malcolm MacLaren of Princeton dated 5 January 1916, describing a dynamo, catalog number 315800. Transcription: "Referring to our recent correspondence in regard to the early type of dynamo which I gave a good many years ago to Princeton University, let me say that so far as I can identify this machine, it was one of the earliest type that we built for commercial purposes at my shop in Goerck Street, New York in 1882. I am very confident that this was what we called the Standard 500 watt dynamo.
label: Description (Brief)
content: "The machine in question is one of the earliest commercial types of the dynamo machine that we manufactured, and embodied the principle of the low resistance armature, which I evolved and developed. Any more elaborate statement than
label: Description (Brief)
content: this would be too long for a. letter, but if you would like to look into the matter further, I would suggest that you read the chapter entitled "Memories of Menlo Park", and the appendix item entitled "Edison's Dynamo work", contained in the biography
label: Description (Brief)
content: written by Dyer and Martin, entitled "Edison; His Life and Inventions", which is published by Harper's. These matters were gone into quite extensively when this book was being written."
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Princeton University, Dept. of Electrical Engineering, thru Dean Howard Menand
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.318601
label: catalog number
content: 318601
label: accession number
content: 232729
objectType: label: Object Name
content: letter
physicalDescription: label: Measurements
content: overall: 11 1/2 in x 9 in x in; 29.21 cm x 22.86 cm x .0254 cm