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[Letter from F. Pfotenhauer to R. Osthoff, April 15, 1929] (open access)

[Letter from F. Pfotenhauer to R. Osthoff, April 15, 1929]

Letter from F. Pfotenhauer to R. Osthoff, offering advice.
Date: April 15, 1929
Creator: Pfotenhauer, F.
Object Type: Letter
System: The Portal to Texas History
Syringe (open access)

Syringe

Patent for a syringe. Illustrations included.
Date: December 15, 1908
Creator: Hill, Hiram McClung & Farrington, Charles Oliphint
Object Type: Patent
System: The Portal to Texas History