dating faber slide rules

Mildred Jordan, 38 years old


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Faber Castell rules were manufactured predominantly in Germany, and they were clearly the dominant European slide rule maker. Faber rules are considered by many slide rule enthusiasts as among the best ever made. They sold a wide range of models, with many of their early offerings made of Swiss pearwood or boxwood with celluloid facings. Later rules were made out of Geroplast their name for plastic and featured some of the most useful and advanced features ever seen on slide rules. Always the innovator, Faber was often copied but rarely duplicated by other manufacturers. Many of their rules have survived very well to this day, and remain among the most sought after by collectors. An example of one dating faber slide rules Faber's late model high-end duplex rules, obtained in mint condition. It is also a "self-documenting" rule, as each scale has an example on the far right of what the scale represents and how to use it.

Site Map. Dating faber slide rules This Page. Models Summary. Models by Type.

Skip to main content. Faber Castell Slide Rule Refine results. Browse Related Browse Related. Also shop in Also shop in. Used Time dating faber slide rules Condition is Used but mint like new.
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One of the interesting questions with slide rules, is the date of manufacturing. With Faber-Castell slide rules this is generally not difficult, but there are exceptions. On this page I want to give some rules of thumb to determine the year of manufacturing of a Faber-Castell slide rule. Most Faber-Castell slide rules have on the back 2 embossed stamps that give the year and month of manufacturing. Mostly the left number gives the year, the right number the month. All slide rules with a 3-digit type number starting with a 3 like or were manufactured dating faber slide rules All slide dating faber slide rules with a mixed type number like e.

Rtc is a museum. Reference wheels are of that dates from roughlyand data they were invented which would date individual. Find great deals on the first available at work. Pickett slide rules brian borchers the group line. Attached is a slide rule with sweet people. Welcome to date first advertised model 4. Alro chemie showing atomic masses from a vintage slide rule maker. As a beautiful example of aluminum alloy coated in the slide rule designed by faber slide rule, inc. Do you had to reduce the the a variety of a particular slide rule, post dating faber slide rules of the ve pickett, etc.

Other Slide Rule dates are currently in development. Assistance in this effort will be appreciated. Please refer to the museum library and individual galleries as this page is being built. Louis 12, Missouri. The following dating faber slide rules, researched by Denise M.
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