File:Annual report of the Chief of Ordnance to the Secretary of War (1884) (14781902564).jpg

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Identifier: annualreportofch00unit (find matches)
Title: Annual report of the Chief of Ordnance to the Secretary of War ..
Year: 1884 (1880s)
Authors: United States. Army. Ordnance Dept
Subjects: United States. Army. Ordnance Dept United States. Army
Publisher: Washington, (D.C.) : G.P.O.
Contributing Library: Allen County Public Library Genealogy Center
Digitizing Sponsor: Internet Archive

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Ord 55 2 J^lczie JT.
Text Appearing After Image:
Appendix 12 DEVIATION OF SMALL-ARM PROJECTILES DUE TO ARTIFICIAL WINDPRESSURE—EXPERIMENTS AT THE FRANKFORD ARSENAL, IA. (5 plates.) Frankford Arsenal,Philadelphia, Pa., April 11, 1896.Sir: I have the honor to submit the following partial report onexperiments made to determine the pendulum deviations of .30 and.45 caliber bullets. The apparatus for measuring deflections was constructed almostexactly as suggested by the Chief of Ordnance in his letter to thecommanding officer, Frankford Arsenal, dated February 20, 1800. DESCRIPTION OF APPARATUS. The only source of wind artificially produced at this arsenal is thefan which supplies the blacksmith forge. This fan is 28 inches in diam-eter and has a normal speed of 1,855 revolutions per miuute. A 6-inchmain pipe, laid horizontally under floor of blacksmith shop, conductsthe blast. Connection with this main was made by means of the curved tinpipe g, tig. 1, PL I, which is joined to wooden tube e, by tunnel f.The diameter of this wooden tu

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https://www.flickr.com/photos/internetarchivebookimages/14781902564/

Author United States. Army. Ordnance Dept
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Flickr tags
InfoField
  • bookid:annualreportofch00unit
  • bookyear:1884
  • bookdecade:1880
  • bookcentury:1800
  • bookauthor:United_States__Army__Ordnance_Dept
  • booksubject:United_States__Army__Ordnance_Dept
  • booksubject:United_States__Army
  • bookpublisher:Washington___D_C_____G_P_O_
  • bookcontributor:Allen_County_Public_Library_Genealogy_Center
  • booksponsor:Internet_Archive
  • bookleafnumber:196
  • bookcollection:allen_county
  • bookcollection:americana
Flickr posted date
InfoField
30 July 2014



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