Handling Socket Passive Seismic Stool

Technical drawing showing the layout of handling socket passive seismic stool including labeled scale drawings, revisions and explanatory notes. Scale 1:1 inch.
Date: March 19, 1968
Creator: unknown
System: The Portal to Texas History

Mounting Plate Assy, Active Seismic

Technical drawing showing the layout of mounting plate assembly, active seismic including labeled scale drawings, revisions, explanatory notes and two engineering change notice sheets. Scale 1:1 inch.
Date: March 10, 1968
Creator: Waterman, P.
System: The Portal to Texas History