Surface Machinery and Methods for Oil-Well Pumping Page: 76G
The following text was automatically extracted from the image on this page using optical character recognition software:
BULLETIN 224 PLATE XXIII
A. LONG-STROKE PENNSYLVANIA-TYPE JACK MADE FROM PIPE, IN OPER-
ATION: a, BACK SUPPORTS; b, SUPPORTING LEGS; c, SHACKLE LINE; d,
ARM; e, POLISH-ROD CLAMP; f, WORK ARM OF JACK
B. OKLAHOMA-TYPE STEEL AND WOOD JACK IN OPERATION: a, SHACKLE
LINE; b, STRUCTURAL STEEL JACK; c, PITMAN; d, STRUCTURAL STEEL
BEAM; e, PIVOT
BUREAU OF MINES
Here’s what’s next.
This report can be searched. Note: Results may vary based on the legibility of text within the document.
Tools / Downloads
Get a copy of this page or view the extracted text.
Citing and Sharing
Basic information for referencing this web page. We also provide extended guidance on usage rights, references, copying or embedding.
Reference the current page of this Report.
George, H. C. Surface Machinery and Methods for Oil-Well Pumping, report, 1925; Washington D.C.. (digital.library.unt.edu/ark:/67531/metadc12407/m1/104/: accessed October 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.