2 Matching Annotations
- May 2022
-
www.reddit.com www.reddit.com
-
What is that tool under the pencil?
Sorry, just seeing this now. It's assuredly a sliderule, which would have been a common tool for engineers and mathematicians of his era to have had. They became less common with the advent and proliferation of calculators.
-
- Feb 2022
-
Local file Local file
-
You can look up for yourself some ofhis notes on their website.[12] Soon, you will be able to access thewhole digitalised slip-box online.
For those interested in looking at a system in English but with a slightly different form, but ostensibly similar, try W. Ross Ashby's digitized note collection: http://www.rossashby.info/
Perhaps not coincidentally, Ashby was a research colleague of Luhmann's.
-