2 Matching Results

Search Results

Results: 1 - 2

Spirometer

Description: Patent for a spirometer. Illustartion included.
Date: August 16, 1904
Creator: Lyttleton, Henry Thomas
Partner: UNT Libraries Government Documents Department

Improved Bedstead-Fastening

Description: Patent for improvements in the mode of fastening the rail to the post of bedsteads.
Date: August 16, 1870
Creator: Maulding, Pres.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen