Cornell University Library Digital Collections
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Subject
- Atlantic, Lake and Mississippi Telegraph Range.1
- British North American Electric Telegraph Association.2
- Erie & Michigan Telegraph Company (printed address to subscribers)1
- Erie & Michigan Telegraph Company.6
- Ezra Cornell's ill health2
- Johnson's telegraph invention.1
- Michigan's potential as an agricultural state1
- Montreal Telegraph Company.4
- Telegraph business correspondence: Canadian lines, construction of lines (western lines), materials and supplies1
- Telegraph business correspondence: conflicts, subscription sales in Milwaukee and Detroit, establishment of new lines, finances, patent rights.1
- Telegraph business correspondence: construction of lines (Detroit, Chicago & Milwaukee line, Troy & Canada Junction line), materials and supplies, Irish workers1
- Telegraph business correspondence: construction of lines (Erie & Michigan line), instruments, materials and supplies1
- Telegraph business correspondence: construction of lines (Troy & Canada Junction line, Erie & Michigan line), materials and supplies, Canadian lines2
- Telegraph business correspondence: construction of lines (western lines and line through Vermont), O'Reilly conflict, materials and supplies, Canadian lines, stock subscriptions.1
- Telegraph business correspondence: construction of lines (western lines, Canadian lines), materials and supplies, stock subscriptions (problems in collection).1
- Telegraph business correspondence: construction of lines (western lines, delays and shortage of wires), finances, materials and supplies.1
- Telegraph business correspondence: construction of lines, finances, materials and supplies, western lines, Canadian lines, stock subscriptions.1
- Telegraph business correspondence: construction of lines, finances, materials and supplies, western lines, office operations.1
- Telegraph business correspondence: construction of lines, finances, materials and supplies, western lines, stock subscriptions, disputes over western lines1
- Telegraph business correspondence: disputes concerning western lines, Canadian lines2