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The following menu and sub-list selections from Herman van Herwijnen's SR Catalog(See Note at bottom of page), contains some 2,400 images which include 1700 slide rules, and 700 slide charts and associated pictures, many of which are not shown in the current ISRM galleries. (note: Slide Charts are rarely included in the ISRM Galleries, but will be added soon). Every item in the Slide Rule Catalogue starts with its brand name, if available. Manufacturer's names or brands are listed alphabetically with a MATCH (catalog ID number) along with a description of the scales. Clicking the MATCH number pops up the picture of that slide rule. As time permits, the curator of ISRM will be adding thumbnails of each picture to the lists as well as integrating some of the pictures into the ISRM galleries. The first examples of this start in the leftmost column A, B, C etc in the table. Currently updating subindexes as time permits |
| Here is the Full List A to Z of all 2400 items, not separated into catagories as above. You can do a global search using your browser's EDIT-FIND function. You may also download Herman's Slide Rule Catalogue A-Z (956KB pdf file), which has imbedded hyperlinks to the images stored at ISRM. |
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Note: From the early 1990's Herman van Herwijnen, member of the Dutch Circle, has worked on his "Slide Rule Catalogue" project, with the aim to produce a book with descriptions of all slide rules known within the Dutch Circle. As the project progressed, the goal expanded into a computer based database with pictures in color of each slide rule. In 2003 the Catalog database contained more than 5000 slide rules and slide charts with over 3000 pictures. Since Herman van Herwijnen died in August 2004, the Catalog has been frozen in its last version 5.3 of September 2003. During 2005-2006, this consolidated version, with Diny van Herwijnen's approval, was split into a "TEXT Version" and a "LITE Version" with pictures now available on ISRM as part of the public domain. |