On 12/26/2021 6:05 PM, Bob Albert via time-nuts wrote: > Link doesn't work. https://worldradiohistory.com/BOOKSHELF-ARH/Tube-Technology/Handbook-of-Piezoelectric-Crystals-John-P-Buchanan-1956-(701-pages).pdf worked for me, all 700 odd pages of it. Thanks Nigel, and Happy Hogmanay, Dan