[SIGCIS-Members] Surveying instruments in the 17th century

Dear colleagues: As these pictures show, surveying in the 17th century was very laborious: Technical Marvels, Part 8: Historical Surveying Instruments – Communications of the ACM https://cacm.acm.org/blogcacm/technical-marvels-part-8-historical-surveying-... Posted Oct 23 2024 see also: List of 77 blog posts on the history of analog and digital computing, technology, automatons, robots, and scientific instruments (mathematics, astronomy, surveying, time measurement, mechanical looms) published by the Communication of the ACM, New York, 2017-2024, DOI: 10.13140/RG.2.2.27909.97760 http://dx.doi.org/10.13140/RG.2.2.27909.97760 Best wishes, Herbert Bruderer