Slide rule workshop

Chris' mystery slide rule Nr. 4

J Simple Slide Rule with no name

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Data:

• Simple Slide Rule with no name
• Timber with plastic scale
• English text at back side (Slide rule data slips)

Question:

1. Name?
   “Slide rule data slips” seems to be common for Koch, Huxhold & Hanneman(KHH) slide rules Andries de Man
   The Slide Rule Data Slips title of the paper table on the back is perhaps a clue being reminiscent of an early (circa 1917) Nestler Mannheim (no model number) but made by D&P. David Rance