| Title |
Letters exchanged in Fall of 1977 between Lorenzo A. Richards and Lloyd Spencer |
| Alternate Title |
Means and method of irrigation control: U.S. Patent 4,040,436 |
| Scanning Technician |
Jake Trauscht |
| Collection Number and Name |
Accn2338 bx 2 fd 1 |
| Description |
Letters exchanged in Fall of 1977 between Lorenzo A. Richards at Riverside, California, and Lloyd Spencer of SubTerrain Irrigation Company in Anaheim, California: (1) Letter dated 4 December 1977 from Lorenzo A. Richards to Lloyd Spencer, thanking him for the letter; (2) Letter dated October 1977 from Lloyd Spencer to Lorenzo A. Richards, conveying a copy of a patent by Dave Caldwell for an irrigation control system |
| Additional Information |
Scan includes the copy of: United States Patent no. 4,040,436, dated Aug. 9, 1977, by Dave L. Caldwell of Valley Center, California, titled: "Means and method of irrigation control" |
| Creator |
Richards, Lorenzo A., 1904-1993; Caldwell, Dave L. |
| Subject |
Richards, Lorenzo A., 1904-1993--Correspondence; Soil scientists--Correspondence |
| Digitization Specifications |
Original scanned on Epson Expression 10000 XL and saved as 400 ppi TIFF. Display image generated in CONTENTdm. |
| Publisher |
Digitized by J. Willard Marriott Library, University of Utah |
| Date |
1977-12-04 |
| Format |
application/pdf |
| Type |
Text |
| Language |
eng |
| Rights Management |
This material may be protected by copyright. Permission required for use in any form. For further information please contact the Manuscripts Division, Special Collections, J. Willard Marriott Library, University of Utah. |
| ARK |
ark:/87278/s60c4z80 |
| Setname |
uum_lrfc |
| ID |
926960 |
| Reference URL |
https://collections.lib.utah.edu/ark:/87278/s60c4z80 |
