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Triangulation theodolite, Kern (c1835)
Kern, (Aarau, Switzerland)
Astrolabe, Ibrahim ben Said (1068)
Museum of History of Science, Oxford (Toledo, Spain)
Earliest surviving theodolite, Humphrey Cole (1586)
Museum of History Science, Oxford (England)
Recording waywisr, Glink (18th century)
Deutsches Museum Munchen, (Germany)
Geodetic level No 5000, F W Breithaupt (1913)
Breithaupt (Kassel, Germany)
Surveying quadrant, Christopher Schissler (1579)
Museum of History Science, Oxford (Germany)
Equatorial/azimuth, William Burt (1836)
Christies South Kensington Ltd (New York)
Heliotrope of C F Gauss, F W Breithaupt (1835)
Breithaupt (Kassel, Germany)
Phototheodolite, J H Steward (c 1900)
Cambridge (England)
Azimuthal quadrant, G F Brander (1761)
Deutsches Museum Munchen (Germany)
11' Geodetic transit theodolite, Troughton & Simms (Late 19th Century)
Christies South Kensington Ltd (London)
Dividing Engine, F W Breithaupt (1818)
Breithaupt (Kassel, Germany)
Portable azimuth circle, Attributed to morin (c 1880)
Christies South Kensington Ltd (France)
Jacques Emile Proust and Alfred Louis Proust (behind theodolite) Walcha NSW 1910-1915
Survey-team-at-work---Narrabri-NSW-1880