chrisaldrich 18 Aug 2025 in Public https://www.johnwolff.id.au/calculators/Burroughs/Burroughs.htm adding machines Burroughs adding machines William Burroughs
chrisaldrich 14 Jul 2025 in Public https://archive.org/search?query=creator%3A%22Burroughs+Adding+Machine+Company%22 Burroughs adding machines adding machine manuals
chrisaldrich 14 Jul 2025 in Public Restoration: A 100 Year Old Adding Machine by [[]Bill Ooms]] watch adding machine restoration adding machines Burroughs adding machines Burroughs class 3