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From the Introduction: "In the present reports the paths of liquid spray droplets issued in the flow field behind an airplane are calculated."

Letter from I. H. Kempner to Mr. and Mrs. Eric Goldberger discussing about the good wishes that they have sent for New Year and exchanging pleasantries.

Letter from I. H. Kempner to Mr. and Mrs. E. Goldberger discussing about the congratulatory mail that he received for his birthday and exchanging pleasantries at the end.

Clipping by Roscoe Drummond discussing trade policy with the Congress.

List of Texas delegation in the House and Senate. Addresses are included.

From Scope of Report: "The report covers the following: (a) A brief description of the proposed Conowingo tunnel system, which will drain the anthracite mines of Pennsylvania into the Susquehanna River at Conowingo. Md.; (b) economic development of the Northern field and the improvements desired; (c) geology and hydrology of the Northern field; (d) the basic problem, plans, and costs of Project No.1 (Lackawanna) ; (e) economic analysis and justification of the project; and (f) final recommendations, including financing and cooperation of local interests."

Letter from Dr. Chauncey D. Leake to several friends discussing the weather, meetings of the Western Institute of Epilepsy and the Neuropsychiatric Society of Mexico, and visits to Atlanta and Baltimore.

Letter from Daniel W. Kempner to C. L Sasportas wishing the best hoping they will not be plagued with operations