Record Details
Field | Value |
---|---|
Title | page 1983 |
Relation | gov serial set 2464 |
Date | 2006-03-23 to 2006-03-31 |
Rights | This item is in the public domain. Acknowledgement of the University of Oregon Libraries as a source is requested. |
Format | Scanned from originals using Silverfast AI 6.0 on UMAX Powerlook III flatbed scanner. Scanned images saved as 16 bit grayscale and 48>24 RGB color tiffs. Omnipage 14 used to OCR 8 bit tiffs and generate text files for full text access. 16 bit grayscale and 48>24 RGB color tiffs edited in Photoshop CS 8.0: cropped, rotated, reduced in size, levels adjusted, bit depth reduced to 8 and JPEGs created. |
Description | pounds, and that of the entire machinery resting upon the head of the pile while being driven was 7,200 pounds. The use of this steam-hammer for driving piles into the sand. to a depth greater than 8 or 10 feet was found to be impracticable. A maximum penetration of 19 feet was reached in a few cases, but at the expense of much time and only after the application of from 500 to 700 blows of the hammer. A record of the penetration during each consecutive twenty blows of the hammer, in... |
Identifier | http://oregondigital.org/u?/wwdl,3787 |