Collection of pages from K&E catalogs for the 4132

Crane's Sewer Slide Rule


Page from the 1911 catalog

The Crane's Sewer Slide Rule is 10" long with paper facings on a wood frame. The scales are designed for sewer flow design calculations.

Model numbers in the group:


The 1749-4 was first shown in the 1899 catalog. The last mention of the 4132 is in the 1927 hard bound catalog. The following is a brief history of the Crane's Sewer Slide Rule as is told in the K&E catalogs that are available at this time. Exact timing is not possible because of the time between catalogs.

Links to catalog pages for the 4132 family of slide rules:

Scans: Link to scans and pictures of 4132