Dietzgen N1733

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Dietzgen N1733 POLYMATH MULTIPLEX

Obverse
Obverse
Reverse
Reverse
  • Type: Log Log Duplex
  • Size: 10 Inches
  • Material: Mahogany and Celluloid
  • Scales:
    • Front: LL01 K A [ B T<45 T>45 ST S ] D DI LL1
    • Back: LL02 LL03 DF [ CF CIF L CI C ] D LL3 LL2
  • HvH: probably 5778, but see 3616

"Decimal Trig Type Log Log Rule". With black leather case. Marked with serial number "010767". Trig scales marked in degrees and decimals of a degree. T scale extended to two lengths. This looks suspiciously like it may have been made by Keuffel & Esser.

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