Great reference books used over the years but stored for the last 10 years or so.
Perry's Chemical Engineers Hadbook, 4thEdition, McGraw-Hill, 49477
Perry, Chilton, Kirkpatrick
Marks' Standard Handbook for Mechanical Engineers, Eighth Edition, McGraw-Hill, 0-07-004123-7
Baumeister, Avallone, Baumeister III