Reports of the Inspectors of Coal Mines of the Anthracite Coal Regions of ...

Cover Reports of the Inspectors of Coal Mines of the Anthracite Coal Regions of ...
Reports of the Inspectors of Coal Mines of the Anthracite Coal Regions of ...
Pennsylvania. Inspectors of Mines
The book Reports of the Inspectors of Coal Mines of the Anthracite Coal Regions of ... was written by author Here you can read free online of Reports of the Inspectors of Coal Mines of the Anthracite Coal Regions of ... book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Reports of the Inspectors of Coal Mines of the Anthracite Coal Regions of ... a good or bad book?
Where can I read Reports of the Inspectors of Coal Mines of the Anthracite Coal Regions of ... for free?
In our eReader you can find the full English version of the book. Read Reports of the Inspectors of Coal Mines of the Anthracite Coal Regions of ... Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Reports of the Inspectors of Coal Mines of the Anthracite Coal Regions of ...
What reading level is Reports of the Inspectors of Coal Mines of the Anthracite Coal Regions of ... book?
To quickly assess the difficulty of the text, read a short excerpt:

Wilkins, civil engi- neer, Pittsburgh, Pa., and W. T. Scudderwas assistant engineer in charge of the construction. Thomas Laird is the superintendent, Wil- liam Snedden, mining boss, and James Jeffries, fire boss.
The shaft is 223^' deep, measured from the surface landing to the top of the rails at the bottom of the shaft. The shaft is timbered throug^h- out with 8"xl0" oak timbers placed 4' 10" from centers. Each set of timbers rests on eight posts morticed into the ring timbers. The shaft is
...lined throughout behind the timbers with 2" oak plank. The guides are 6"x8", best yellow pine, bolted to the buntings. The shaft is di- vided into three compartments; two hoisting compartments each 7'xlO' 4", and one 8' ll'xlO' 4" for pump-way.
The foundation of head frame is built up from solid rock and consists of 10' of concrete 4' wide, and on this is 3' of rubble masonry in cement mortar. A coping of dressed sandstone 1' thick and 3' 8" wide covers top of foundation. The head frame is of the triangular pattern, and is made of surfaced pine timber resting on cast iron plates bolted securely to the foundation.


What to read after Reports of the Inspectors of Coal Mines of the Anthracite Coal Regions of ...?
You can find similar books in the "Read Also" column, or choose other free books by Pennsylvania. Inspectors of Mines to read online
MoreLess

Read book Reports of the Inspectors of Coal Mines of the Anthracite Coal Regions of ... for free

Ads Skip 5 sec Skip
+Write review

User Reviews:

Write Review:

Guest

Guest