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Image Not Available for Letters Patent Granted to John Harper for Invention of Improvements in Pillars and Hydraulics for Straining Wire
Letters Patent Granted to John Harper for Invention of Improvements in Pillars and Hydraulics for Straining Wire
Image Not Available for Letters Patent Granted to John Harper for Invention of Improvements in Pillars and Hydraulics for Straining Wire

Letters Patent Granted to John Harper for Invention of Improvements in Pillars and Hydraulics for Straining Wire

Associated (Aberdeen, founded 1857)
Inventor (1823 - 1906)
Date1863
Object NameLetter Patent
MediumParchment
ClassificationsEngineering
Dimensions53.7 x 77cm
AcquisitionPresented in 2006.
LocationView by Appointment - Aberdeen Treasure Hub
Object numberABDMS078041
Keywords
Portrait, John Harper
John Harper Sr.
1870s
Portrait, John Harper
John Harper Sr.
1890-1905
John Harper Appointed J.P
John Harper Sr.
1893
Harper Family
John Harper Sr.
Louis Harper And Others
Louis Harper
1884
Mrs J Harper
John Harper Sr.
Mrs J Harper
John Harper Sr.
John Harper Appointed J.P
John Harper Sr.
1899
Model Wire Suspension Bridge
John Harper Sr.
1884