Yorkshire / Berlin / Turin / Alexandria / Babylon / Cairo / London / Brussels / Paris / /
Company
EARLIEST TIMES / /
Continent
Europe / /
Country
Egypt / United Kingdom / Iran / Spain / /
Facility
Chester Hall / Optical Square / Science Museum / Egyptian Museum / /
IndustryTerm
rotatable metal straightedge / ingenious device / angle reading systems / circular metal plate / /
Organization
Royal Society / /
Person
Christopher Clavius / Tycho Brahe / Robert Hooke / Jonathan Sissons / Lucius Aebutius Faustus / John Dolland / William Leybourn / Leonard Digges / Levi Ben Gershon / David A. Wallis / Clay Tablet / Jesse Ramsden / Pierre Vernier / Richard Chanzler / George Graham / /
Position
astronomer and geographer / skilful designer / instrument maker / scientist / General / Cross-Staff Head / /
History of Angle Measurement David A. WALLIS, United Kingdom Key words: History, Egyptians, Theodolite, Ramsden, Dividing. SUMMARY