Paul Renno Heyl (1872 in Philadelphia – 22 October 1961) was an American inventor, physicist, and author. Born in Philadelphia, Heyl earned his PhD in...

Charles W. Heyl (1857-1936), American politician Jeremy S. Heyl, Canadian astronomer Paul R. Heyl (1872–1961), American physicist Willy Kaiser-Heyl (1876–1953)...

value of G = 6.66×10−11 m3⋅kg−1⋅s−2 with a relative uncertainty of 0.2%. Paul R. Heyl (1930) published the value of 6.670(5)×10−11 m3⋅kg−1⋅s−2 (relative uncertainty...

patented by Donald M. Bliss in 1912 and further refined in the 1920s by Paul R. Heyl and Lyman James Briggs of the United States National Bureau of Standards...

toy spring "Typewriter Maintenance". Shigley, Joseph E.; Mischke, Charles R.; Budynas, Richard G. (2003), Mechanical Engineering Design, New York: McGraw...

also retained an interest in navigational devices, and with Paul R. Heyl invented the Heyl–Briggs earth inductor compass. The compass used a spinning electric...

Brodie 1836 James P. Espy 1864 Pliny Earle Chase 1887 Lewis M. Haupt 1922 Paul R. Heyl and Lyman James Briggs 1952 James Gilbert Baker 1953 Philip Van Horn...

(1943) Fred Herman (1943) Garnett Hewitt (1981) William Heyen (1974–1981) Paul R. Heyl (1933) Earle Hill (1972) Howard Hillman (1975–1981) Helen Hinckley (1946)...

Gaithersburg, Maryland. This clock was purchased in 1929 and used in physicist Paul R. Heyl's measurement of the gravitational constant. On the left is the primary...

doi:10.1016/B978-0-08-095975-7.00101-7. ISBN 978-0-08-098300-4. Ripoche, Paul; Heyl, Jeremy; Parada, Javiera; Richer, Harvey (January 2020). "Carbon stars...