Author Archives: Ed Titanich
12. Wild – The Leader in Optical Theodolites
The story is that, in 1902, Heinrich Wild, a 24-year-old Swiss surveyor stood behind his...
11. Early Geodetic Theodolites were King
The Geodetic Survey of Canada was officially established in 1909 with William Frederick King as...
10. The Survey Instrument Captain Cook Wanted to Learn – The Plane Table and Alidade
The plane table and alidade has been used for mapping topographical features for centuries.
09. Is it a Theodolite or Transit? Early Open Vernier Theodolites and Transits
What is the difference between a theodolite and transit? The term “theodolite” can be traced...
08. The Topley Company – a Canadian Supplier of Survey Instruments
The Topley Company – a Canadian Supplier of Survey Instruments
07. Chaining – an Art and a Science
Steel band tapes, when introduced, were called chains and the act of measuring using a...
06. The Gunter’s Chain is Replaced by the Steel Band Chain
When the first township surveys in Western Canada were carried out, the Gunter’s chain was...
05. Surveys were to be Astronomical
It was common to use magnetic bearings for surveys during the 19th century using a...