"Henry Ford's Airpot and Other Aviation Interests 1909 - 1959" by Timothy J. O'Callaghan. SPECIAL: Author inscribed and SIGNED on flyleaf across from the title page. PHOTOS SHOW ACTUAL BOOK
Understanding Ultrasound Physics Fourth Edition was updated and published in 2012. ISBN is 0-9626444-5-5. The cover has active dry rot, especially at the spine and edges. There are underlines and
