Walter J. Carr, "A New D-C. Permeameter," Special Technical Pub. No. 85 of the American Society for Testing Materials, pp. 63-81 (1949). |
"Meriam Bellows D/P Unit," two pages. |
"Linear Position Transducer Changes Phase Instead of Amplitude," Design News, pp. 180-181, (Nov. 5th, 1984). |
"Farrand Inductosyn Rotary and Linear Position Transducers," 2 pages. |
W. Lord et al, "Magnetic Flux Leakage for Measurement of Crevice Gap Clearance and Tube Support Plate Inspection," Colorado State University (1983). |
"Ceramic Magnetics Series 33 Linear Position Sensor," 2 pages. |
U.S. Ser. No. 398,499, filed 7/1982, Frank W. Heemstra. |