Keuffel & Esser (K&E) Dating Table

Here you will find information about how to date your Keuffel & Esser (K&E) antique survey instruments.

Updated K&E Serial Number List:

The serial number listed is the first serial number made in each year.  Your serial number should higher than the serial number of the specific year it was made but lower than the following year.

Examples:

SN/1725 = 1891
SN/44780 = 1922




Serial number locations on some Keuffel & Esser (K&E) instruments.


Click on image to enlarge.
 
Possible Location On A Level
Keuffel & Esser (K&E) Serial Number Location
Possible Location On A Level
Keuffel & Esser (K&E) Serial Number Location
Possible Location On A Transit
Keuffel & Esser (K&E) Serial Number Location
Possible Location On A Transit
Keuffel & Esser (K&E) Serial Number Location