Dennert & Pape Aristo Elektro 814 Slide Rule
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Aristo 814 Elektro slide rule
Dennert & Pape was founded in Hamburg, Germany in the early 1860s by Johann Dennert and Martin Pape. They produced their first slide rule in 1872. In 1936 the company adopted the product name Aristo for all their slide rules. At this time they also started making all their slide rules from plastic. They continued to make slide rules until 1978.
Our slide rule complete with leather case was very kindly donated by Mike Edwards.
Manufacturer: Dennert & Pape
This exhibit has a reference ID of CH6048. Please quote this reference ID in any communication with the Centre for Computing History.