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Dating k&e slide rules

Published: 02.05.2017
Author: Nick_Digger
Views: 331

Rating:  5 / 5


In fact, the "S" in the title refers to the label on the case, and presumably reflects the "stitched" all-leather case design. The building was completed in , and the company occupied it until Navigation Main page Contents Featured content Current events Random article Donate to Wikipedia Wikipedia store.

The case is the standard form-fitting black cardboard type with leather closing flaps bolted on. Young, MIT '07, Mass Ave. On early rules the serial numbers were usually on the rule in two places, the end of the slide and the bottom edge of the frame.

Made apparently of light-weight pressed wood, this model has a simple white-painted face with printed monotone scales, very reminiscent of the inexpensive Lawrence Engineering rules.

See also for later release of the same rule. DF, [ CF, CI, C, ] D, rulers, improved glass indicator. IMAGE LINKS Back to Return.

A, [ B, C, ] D, plain wood, frameless wood sided indicator. Knowing the existence of these variants can help in identifying a particular rule. T ] on slide reverse, side rulers, improved glass indicator,.

The joy of slide rules

Slide the vast majority of cursors contain a patent date printed on the end pieces CLICK for BIGGER PIC CLICK for BIGGER Dating. On the body of the rule, the LL0 and LL00 scales are now in red k&e of black, and reversed in relative position. The following is a discussion on the rules.

Click here for Bigger Pic Click here for Other Side Click here for Side Scale. They also made a large range of drafting and related products, and even had offices here in Montreal. I'm not entirely surprised Glass magnifying cursor indicators were available, and increased the settability and resolution of virtually any rule, often making a 10" rule the effective equivalent of a 20" version. Keuffel , Herman Esser. I think there are more varied designs of magnifiers than of slide rules.


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      09.05.2017 in 22:33 Pavel_Filimonov:
      A 5" plastic version of the is listed in the catalog.

      20.05.2017 in 10:42 Den_Van:
      Note that several cosmetic variations exist, with all black, and black and red scales. T ] on slide reverse, side rulers, improved glass indicator,.

      26.05.2017 in 02:41 Paul_Georgell:
      In any case, I've replaced it with an extra original cursor glass I had available Beyond that, I can't place the date.