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[Letter from Harris L. Kempner to Mr. Mark F. Heller, March 7, 1955]
Letter from Harris L. Kempner to Mark F. Heller discussing Denny's stops during his trip to Europe and hoping that he and Mark will be able to meet.
Date:
March 7, 1955
Creator:
Kempner, Harris Leon
Object Type:
Letter
System:
The Portal to Texas History
Index of Oil-Shale and Shale-Oil Patents, 1946-56: A Supplement to Bulletins 467 and 468: (In Three Parts) [Part 3]. European Patents and Classification
From Introduction: "This part of Bulletin contains 250 European patents that relate to retorting (and distilling underground), refining, and utilization of oil shale and its products. The largest single group, of which the majority was assigned to a single company, relates to fluidized handling shale. The patents are arranged numerically, and alphabetical list of investors and assignees follow them. A classified list of all the patents follows the author index of Part III. Parts I and II were published in 1958."
Date:
1959
Creator:
United States. Bureau of Mines.
Object Type:
Report
System:
The UNT Digital Library