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Pyganodon grandis, Specimen #734

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; white internal coloring; brown external coloring; no external sculpturing. The specimen measures over 120 mm in length and was assessed to be recently dead when collected.
Date: July 28, 1976
Partner: Elm Fork Natural Heritage Museum
open access

Calculation of two-phase dispersed droplet-in-vapor flows including normal shock waves

Description: A method for calculating quasi-one-dimensional, steady-state, two-phase dispersed droplet-in-vapor flow has been developed. The technique is applicable to both subsonic and supersonic single component flow in which normal shock waves may occur, and is the basis for a two-dimensional model. The flow is assumed to be inviscid except for droplet drag. Temperature and pressure equilibrium between phases is assumed, although this is not a requirement of the technique. Example calculations of flow in… more
Date: July 28, 1976
Creator: Comfort, W. J.; Alger, T. W.; Giedt, W. H. & Crowe, C. T.
Partner: UNT Libraries Government Documents Department
open access

[Letter from Pedro J. Gonzalez to Eduardo Anegels M.]

Description: Letter from Pedro J. Gonzalez to Eduardo Anegels M. A long, curving title is printed above small lines of text that are positioned above and beside a bird icon, below which is a date. Beneath the date is a wide column of text positioned to the right of a smaller text column and a handwritten paragraph. The wider column of text continues onto the back side of the page, ending above a signature and a second handwritten paragraph. Additional handwriting appears at the top of the page and along its… more
Date: July 28, 1976
Creator: Parlee, Lorena, 1945-2006
Partner: UNT Libraries Special Collections
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