Aristo 90103 Universal Slide Rule for Calculations Used in Wire Drawing Processes

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Country of manufacture: Germany,            Date of manufacture: >=1960
Overall length: 32.0 cm,          Width: 15.7 cm,           Thickness: 0.7 cm           Weight: 416 gms.
Materials: Plastic (PVC and Plexiglass)
Cursor: 5.9 X 16.4 X 0.8 cm; metal runners holding plastic lens.               Lines: four
Scales: 11, some specialized
Front (Body): K, A [ large 'Slide1' ] [ smaller 'Slide2' ] H (nomograph for total reduction of area versus reduction of area for a single draw), D (also d_z), L
Slide1: B (also l_z/l_o), CI, C (also d_o u. d_h)
Slide2:              E, F (table: Tensile Strength vs. Carbon content, Imperial units), G
Back of Slide2: E, F (table: Tensile Strength vs. Carbon content, Metric units), G
Well under Slide2: interlanguage translations of terms, unit conversions between different systems
Back: Equations used in Geman and English
Gauge Marks: [      ]
Condition: C5 (Normal signs of use), with some noticeable staining, particularly on back
Came with: Original grey hinged wood and leather case
Notes: A description and discussion of this rule can be found here.
A PDF instruction manual (in English) for what has been considered the 'pocket' version of this rule is maintained on the ISRM's website and may be downloaded here.

Front side of the rule


Back side of the rule


Front side of the rule showing the well beneath Slide2


Back side of Slide2


Slide1 removed from rule


Cursor removed from rule

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