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Collection of pages from K&E catalogs for the 4018 K&E Pocket Calculator

Description:

The K&E Pocket Calculator was marketed by K&E.

History:

The following is a list of catalog entries from 1909 to 1927.

• 1909 --- The 4018 was first shown in the 1909 catalog.
• 1927a -- The 4027 was last shown in the 1927 soft bound catalog

Links to catalog pages for the 4018 family of slide rules:

• 1909 1911 1913a 1913b 1915 1916 1921 1922 1925 1927a

Link to scans of the 4018

• 4018 Scans