Dietzgen Slide Rule

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Dietzgen slide rule. The 1734 microglide rule is the most famous dietzgen rule and incorporates a novel teflon slide bearing for smoother action. The slide rule depicted inside the manual is dietzgen s national model 1767 and the manual was received with 1988 0367 01. Detailed instructions are provided for reading the scales multiplication placing the decimal point division proportion squares and square roots cube and cube roots trigonometry and logarithms. A glass indicator is cracked on both sides and has metal and black plastic edges marked.

This mechanism was designed to prevent warping or shrinking of the rule from interfering with uniform movement of the slide. It was their main competitive offering against the k e 4081 3 and post 1460 versalog. Buy it now 7 65 shipping. Third edition revised eugene dietzgen co.

In 1908 the company acquired its own drafting instruments factory in germany and introduced their lifetime service policy on drafting instruments. Of chicago began developing products that competed with the high end slide rule lines manufactured by keuffel esser namely model 4081 and post the versalog. One dietzgen s best rules still in incredible condition. The first manufacturing company opened in 1893 producing t squares wooden triangles drawing boards hectograph inks surveying instruments blue print and van dyke papers dietzgen s historic line of engineering products.

Another one of. This rule has a few nice. New listing vintage excellent dietzgen 1738 slide rule with case 1954 w tables. This american slide rule manufacturer was founded in 1885 by eugene dietzgen.

Dietzgen mannheim and multiplex slide rules 1911 theory and application. On one side the base has l ll1 df d ll3 and ll2 scales with cf cif lci and c scales on the slide. Duplex models have scales of logarithms on their front back and slide which can be removed turned. Inventor of the multiplex slide rule.

New listing vintage 11 slide rule 2 sided dietzgen 1766 p in black box made in germany. This two sided ten inch wooden slide rule is coated with yellowed plastic and has metal endpieces. Simplex models use two scales of base ten logarithms on its front and slide to perform multiplication. The rule boasts dietzgen s improved automatic adjustment three flat springs in slots under the a scale that are adjusted with four screws on the back of the instrument.

Or best offer 8 25 shipping. An older version of one of dietzgen s top of the line slide rules. Dietzgen s high end rules are frequently. Circular models with spiral scales of.

Dietzgen slide rules maniphase multiplex 1732.