Author Archives: Ed Titanich
27. Adieu to the Level Bubble – Automatic Levels
Automatic levels use compensating devices, for example a pendulum apparatus, in place of the bubble.
26. It’s a Theodolite – and a Level
A unique instrument in the collection is one that can either be a theodolite or...
25. Have You Ever Looked Through a View-Master? – Stereoscopes
Have you ever looked through a View-Master to view scenes in 3-D? Images of the...
24. A WWI Story – A.J. Tremblay’s Transit
One hundred and three years ago on June 28, 1919, Germany and the Allied Nations...
23. Pain or Panacea – Chains to Feet to Metres
Land surveyors in Canada for decades before the 1970s had been used to working in...
22. A Dying Art – Drafting becomes Impersonal
In Article 19, There were no Stories about Drafting, it was stated that drafting survey...
21. Too Cumbersome for the Field – Mechanical Calculators
The introduction of logarithms for calculations, followed by the invention of the slide rule, predated...
20. They Doubled the Life of Astronomers – Logarithms
The credit for developing the concept of logarithms in the 17th century is given to...
19. There were no Stories about Drafting
In history books about surveying, there are lots of stories involving adventure, transportation, climbing mountains,...
18. Philadelphia or Chicago – Level Rods
Two types of level rods have been well recognized for years – the Philadelphia rod...