My reviews & how-tos for adding machines and other antique calculating devices.
Curated by: Chris Staecker (120 videos)
The Maximal Multi-Divi, a big multiplication table. First published by Wilken Wilkenson in the 1910s in Falun Sweden. Mine is dated 1953. This is episode 85 of my video series about old calculating methods. Scans at the Internet archive: Full book: https://archive.org/details/maximal-multi-divi/page/n11/mode/2up Directions for use: https://archive.org/details/instructions_202503 Advertising insert: https://archive.org/details/insert_202503 Multi-Divi Mobile & Super Mobile: https://archive.org/details/mobile_202503 Crelle's Calculating tables: https://archive.org/details/cu31924032190476/ Wilken's story from an article by E. Börje Bergsman and Lennart Franzén, in Gamla Flukamrater, 2010 issue https://gamlafalukamrater.com/%C3%85RSSKRIFTER/%C3%A5rsskrifter%202010.html Falun photo by Wikimedia user Calle Eklund/V-wolf, CC-BY-SA-3.0 https://commons.wikimedia.org/wiki/File:Falun_fr%C3%A5n_Radiohuset.jpg Grifters praying with Trump from Paula White's Twitter account. Crelle photo by Sergiy Galyonkin, CC-BY-SA-2.0 https://flickr.com/photos/sergesegal/8063215316/in/photostream/ End song inspired by "Hotter than a Molotov" by The Coup. https://youtu.be/X8AW7PmsxAY Chris Staecker webarea: https://faculty.fairfield.edu/cstaecker #multidivi