Powers-Samas Accounting Machines Maintenance Manual - Tabulators

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Folder containing notes from the Powers-Samas field engineering training course in Croydon, dating from the mid-1950s.

This folder contains notes on Tabulators. Sections include:

  • As a printing machine
  • Addition & Subtraction - D & D1 Types
  • Automatic Totalling Attachment
  • Summary Card Punch and Tabulator Mechanism
  • "Powers One" - 21 Column Tabulator
  • Devices on Tabulators (Standard)
  • Removal Sequences (All M/Cs)
  • Service Checks (40 Column M/Cs)

Date : Unknown

Physical Description : Folder

This exhibit has a reference ID of CH76229. Please quote this reference ID in any communication with the Centre for Computing History.
 

Scan of Document: Powers-Samas Accounting Machines Maintenance Manual - Tabulators

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