Links and trees

Catalogued

Organizational chart

Made by
Daniel Craig McCallum (concept); George Holt Henshaw (drafted)
Year
1854-1855
Field
Management and industry
Kind
Concept diagram
Room
Links and trees — Placed by reading its description, not yet studied
Skeleton drawing, not the original plate

16 other forms share this skeleton

Source

McCallum 1855, Superintendent's Report, New York and Erie Railroad

Attribution less certain: contested, or no single inventor recorded

Searches, not citations

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