A guide to maintenance of warm-air furnaces. Discusses methods of training, duties of the user, inspection, and maintenance.

"This Technical Manual is a guide to first and second echelon maintenance services of domestic type steam and hot-water boilers and heating systems." Discusses methods of training personnel, operation and preventive maintenance, procedures for placing equipment in service and for taking it temporarily out of service, and inspections.

"This technical manual is a guide to first and second echelon maintenance of domestic hot-water supply systems." Discusses methods of training maintenance personnel, preventive maintenance for users, and inspections.

Report from the U.S. Bureau of Mines over the studies conducted on the Daisy mine and the Hillside mine in Hardin County, Illinois. Properties of the mines, and the types of mineral deposits found in each are presented. This report includes maps, and illustrations.

Report issued by the U.S. Bureau of Mines on the sampling of chrome ore deposits in the western United States. Physical properties of the samples collected are presented. This report includes tables.

Report issued by the Bureau of Mines over the manganese deposits in Sierra County, New Mexico. Descriptions of the physicality, and characteristics of the manganese ore are presented. This report includes tables, maps, and illustrations.

Report presenting an investigation of a 10.7-percent-thick symmetrical tail section equipped with a flat-side airfoil-chord flap with a flap-chord overhang and a plain flap-chord tab. Airfoil lift, drag, pitching-moment, and flap and tab hinge-moment characteristics were determined at various flap and tab deflections.

Note presenting a comparison between the measured take-off ground run of an airplane equipped with seven different propeller-engine gear-ratio combinations and the computed distances by two different methods. Results indicated that the values of ground run calculated by Diehl's approximate method checked experimental values with 7 percent but were in error as much as 10 to 15 percent under certain conditions. Improved methods of thrust computation may be required in order to avoid large errors and before any more rigorous methods can be substituted for Diehl's method.

"The results obtained from a series of flight measurements of atmospheric turbulence within convective-type clouds and from meteorological soundings are presented together with descriptions of the flights and concurrent weather conditions. These results are presented to provide a background of experience for the forecaster and pilot by illustrating the turbulence conditions as indicated by effective gust velocities in convective-type clouds under spring and summer weather conditions along the eastern coast of the United States" (p. 1).

Progress is reported in the physics and engineering aspects of pile technology.

This memorandum lists the effect upon reactivity which would result from certain changes of material or design which might be considered for the new piles. Some of the information, published previously, is report here for convenience.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Price Daniel, regarding a legal question submitted for clarification: Authority of State Highway Patrolman to make arrests aboard ships in Texas ports under certain conditions.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Price Daniel, regarding a legal question submitted for clarification: Under constitutional amendment of Article VIII, Sec. 9, known as "Reallocation of County Funds Amendment," may time warrants be issued to mature more than six years from the date of reallocation election, and related questions.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Price Daniel, regarding a legal question submitted for clarification: Construction of H.B. 258, Acts of the 50th Legislature, 1947 - Maximum compensation of County Treasurer.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Price Daniel, regarding a legal question submitted for clarification: Authority of Commissioners' Court to refund attorney's fee paid by a commissioner in defense of an action for damages.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Price Daniel, regarding a legal question submitted for clarification: Authority of Prison Board to direct general manager to permit the use of inmate labor on sewer project with City of Huntsville.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Price Daniel, regarding a legal question submitted for clarification: Additional Registration of Motor Vehicles, Article 6675a-2, V.C.S., and withholding of additional weight receipts by State Highway Department.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Price Daniel, regarding a legal question submitted for clarification: Constitutionality of an Act which only applies to counties within population brackets shown by the census of 1940.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Price Daniel, regarding a legal question submitted for clarification: The effect to be accorded the 1% sales tax on transfer of motor vehicles under the submitted facts.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Price Daniel, regarding a legal question submitted for clarification: Constitutionality of H.B. 309 amending Article 480a, Penal Code 1925.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Price Daniel, regarding a legal question submitted for clarification: Are the lottery laws of Texas violated under a cooperative advertising plan known as "bonanza"?

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Price Daniel, regarding a legal question submitted for clarification: Registration by the county clerk of conditional sales contracts.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Price Daniel, regarding a legal question submitted for clarification: Whether Comptroller should issue warrant in payment of witness certificate under facts stated.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Price Daniel, regarding a legal question submitted for clarification: Payment to persons discharged or paroled from certain State correctional institutions; Article 5143b, Section 1, V.C.S.