Author: Interior Department / Publish Year Decade: 1920 - 1929 - Blacklight Search Results

Start Over Author Interior Department Publish Year Decade 1920 - 1929

4151. Petroleum. Operating regulations to govern production of oil and gas, under act of Feb. 25, 1920, public no. 146.

Corporate/Agency Authors:: Interior Department
Publisher:: Interior Department
Date:: [1921.]

4152. Petroleum. Underground conditions in oil fields [with bibliographies 1: by A. W. Ambrose.

Corporate/Agency Authors:: Mines Bureau and Interior Department
Publisher:: Mines Bureau
Date:: [1st edition.] [Dec. 1920, published] 1921

4153. Pharmaceutical education; by Wortley F. Rudd in collaboration with P. F. Fackenthall.

Corporate/Agency Authors:: Education Bureau and Interior Department
Publisher:: Education Bureau
Date:: 1921

4154. Pictures. List; of references on use of pictures in education; prepared in Library Division.

Corporate/Agency Authors:: Education Bureau and Interior Department
Publisher:: Education Bureau
Date:: Dec. 1920 [published 1921]

4155. Platinum. Detection and estimation of platinum in ores [with selected bibliography on assay of platinum ores]; by C. W. Davis.

Corporate/Agency Authors:: Mines Bureau and Interior Department
Publisher:: Mines Bureau
Date:: [1st edition.] [Jan.] 1921

4156. Plumly, Eugene K. In Court of Appeals of District of Columbia, Oct. term, 1921, patent appeal no. 1459. in re Eugene K. Plumly. box-making machine; brief for commissioner of patents.

Corporate/Agency Authors:: Patent Office and Interior Department
Publisher:: Patent Office
Date:: 1921

4157. Posters. What is health? [poster].

Corporate/Agency Authors:: Education Bureau and Interior Department
Publisher:: Education Bureau
Date:: [1921.]

4158. Potash regulations under act of Oct. 2, 1917 (40 Stat., 297), approved Mar. 21, 1918.

Corporate/Agency Authors:: General Land Office and Interior Department
Publisher:: General Land Office
Date:: [Reprint with slight changes] 1921

4159. Power, Nicholas. In Court of Appeals of District of Columbia, Oct. term, 1921, patent appeal no. 1492, in re Nicholas Power, moving picture machine; brief for commissioner of patents.

Corporate/Agency Authors:: Patent Office and Interior Department
Publisher:: Patent Office
Date:: 1921

4160. Power, Nicholas. In Court of Appeals of District of Columbia, Oct. term. 1921, patent appeal no. 1447, in re Nicholas Power, protective devices for moving picture machines; brief for commissioner of patents.

Corporate/Agency Authors:: Patent Office and Interior Department
Publisher:: Patent Office
Date:: 1921

« Previous
Next »
1
2
…
412
413
414
415
416 Current Page, Page 416
417
418
419
420
…
510
511