File:Vintage Dietzgen Maniphase Slide Rule, Model 1750P, Ten Inches, Made In USA, Circa 1938 (15756456315).jpg - Wikimedia Commons
05.0009.001 - Eugene Dietzgen Co. "National" Maniphase Slide Rule, No. 1767 | Office of History, National Institutes of Health
Dietzgen
Dietzgen 1734 Decimal Trig Log Log Duplex Slide Rule | National Museum of American History
Vintage Dietzgen Scale Ruler USA - Etsy UK
DIETZGEN 4633-12G 12" Clear Drafting Machine Scale Ruler - Made in U.S.A. | #1871028522
Eric's Dietzgen Slide Rules
Dietzgen 1298-B Blackboard Rule | National Museum of American History
Dietzgen
Dietzgen Microglide Slide Rules and the "Dietzgen Scale Set" - YouTube
DIETZGEN 4633-12G 12" Clear Drafting Machine Scale Ruler - Made in U.S.A. | #1871028522
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Vintage Dietzgen Star Triangular 3-sided Architect Ruler 12 - Etsy UK
Eric's Dietzgen Slide Rules
Vintage Eugene Dietzgen Co. Slide Rule Brown Leather Case Decimal Trig Type 1746 | eBay
Eric's Dietzgen Slide Rules
Vintage 6"Dietzgen 6"Ruler With Leather Case For Kelko Company. Great Condition | eBay
Dietzgen
Dietzgen Ruler - Etsy UK
Dietzgen 1771 Redirule Simplex Slide Rule | National Museum of American History
Vintage Dietzgen Scale Ruler USA - Etsy UK
DIETZGEN USA SLIDE RULE | eBay
