Pollock: David and John Pollock’s Patents, 1855-1867
Call Number: MG-713
1 box 9 folders .25 cubic ft.
Repository: LancasterHistory.org (Lancaster, Pa.)
Shelving Location: Archives South, Side 15
Description: This collection contains patents granted to David Pollock and John Pollock for a fan blower, improved ore cleaner, improved feed water heater for locomotives, and an improved rack for holding implements and utensils. There are also related documents, such as correspondence, advertising, application and petition.
Creator: Pollock, David; Pollock, John.
Conditions for Access: No restrictions.
Conditions Governing Reproductions: Collection may not be photocopied. Please contact Research Staff or Archives Staff with questions.
Language: English
Source of Acquisition: Source unknown. Transferred from the Document Collection February 2014.
Administrative History: Processed and finding aid prepared by PH, February 2014.
Folder 1 Acopy of patent no. 13.100 for a fan blower granted to David and John Pollock. 19 June 1855. Signed by the Secretary of the Interior.
Folder 2 An advertising piece for David and John Pollock’s Fan Blower and a copy of a document transferring a half share in the 1855 Fan Blower patent to Andrew C. Flinn.
Folder 3 A copy of patent no. 2898, Whole No. 33,902 for Improvement in Connecting Rods for Locomotives granted to David Pollock. 10 December 1861.
Folder 4 Copies of correspondence between the Patent Office and David Pollock about his patent for Improvement in Connecting Rods for Locomotives and drawings of the same.
Folder 5 A copy of patent no. 16,495 for an Improved Ore Cleaner granted to David Pollock. 27 January 1857.
Folder 6 Deed to John Pollock from David Pollock for 1/4 share in patent no. 16,495 for an Improved Ore Cleaner and an advertising card for the Ore Cleaner. 26 February 1857.
Folder 7 A copy of patent no. 41319 for an Improved Feed Water Heater for Locomotives by David Pollock. 19 January 1864.
Folder 8 First draft of application for a patent for an Improved Feed Water Heater for Locomotives by David Pollock. 1863.
Folder 9 A petition to the Commissioner of Patents for patent of an Improved Rack for Holding Implements and Utensils by David Pollock 14 October 1867.