Record Details
Field | Value |
---|---|
Title | page 1118 |
Relation | gov serial set 1598 |
Date | 2005-08-08 to 2005-08-09 |
Rights | This item is in the public domain. Acknowledgement of the University of Oregon Libraries as a source is requested. |
Type | page |
Format | Scanned from originals using Silverfast AI 6.0 on UMAX Powerlook III flatbed scanner. Scanned images saved as 16 bit grayscale tiffs. 333.411 kb 8 bit - Gray Gamma 2.2 - greyscale 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, grayscale bit depth reduced to 8 and JPEGs created. |
Description | material. As there was doubt as to the correct level of lowest water, I had erected a simple automatic tide-gauge at this point, which was in operation from November 17, 1872, to January 5, 1873, which revealed the fact that the water fell on the 25th of November 15 inches below the plane that had been assumed in all our surveys as the lowest water, and that on the 20th of December it was again within 7 inches of the same low level. I have, just had this bar examined by my assistant, Mr. It.... |
Identifier | http://oregondigital.org/u?/wwdl,2876 |