Investigation of the Kansas City Hyatt Regency Walkways Collapse (open access)

Investigation of the Kansas City Hyatt Regency Walkways Collapse

Report issued by the National Bureau of Standards documenting investigations conducted on construction failures of two suspended walkways in a Kansas City hotel. It includes tables, illustrations, photographs, and other details of the investigation.
Date: May 1982
Creator: Marshall, Richard D.; Pfrang, E. O.; Leyendecker, Edgar V.; Woodward, K. A.; Reed, R. P.; Kasen, M. B. et al.
Object Type: Report
System: The UNT Digital Library
Piano-Hammer. (open access)

Piano-Hammer.

Patent for a piano hammer, which has a strip of striking material that can be moved over to a new section when one section wears out, to increase the life of the hammer.
Date: May 24, 1910
Creator: Young, Henry E.
Object Type: Patent
System: The Portal to Texas History
Ventilating-Fastener. (open access)

Ventilating-Fastener.

Patent for an improved tuft fastening device that provides ventilation through cushion tufts to make cushions cooler to the touch, including illustrations.
Date: May 8, 1917
Creator: Davis, Don M. & Underwood, Thomas J.
Object Type: Patent
System: The Portal to Texas History