-40%
Antique Keuffel & Esser Co. 4092 Slide Ruler with leather case
Antique Keuffel & Esser Co. 4092 Slide Ruler with leather case
Antique Keuffel & Esser Co. 4092 Slide Ruler with leather case
Antique Keuffel & Esser Co. 4092 Slide Ruler with leather case
Antique Keuffel & Esser Co. 4092 Slide Ruler with leather case
Antique Keuffel & Esser Co. 4092 Slide Ruler with leather case
Antique Keuffel & Esser Co. 4092 Slide Ruler with leather case
Antique Keuffel & Esser Co. 4092 Slide Ruler with leather case
Antique Keuffel & Esser Co. 4092 Slide Ruler with leather case
Antique Keuffel & Esser Co. 4092 Slide Ruler with leather case

Antique Keuffel & Esser Co. 4092 Slide Ruler with leather case

$ 7.89

Availability: 100 in stock
  • Refund will be given as: Money Back
  • All returns accepted: Returns Accepted
  • Restocking Fee: No
  • Return shipping will be paid by: Buyer
  • Item must be returned within: 30 Days

    Description

    Antique Keuffel & Esser Co. 4092 Slide Ruler with leather case.  Pat. June 5, '00 - Dec 22, '08.  According to information I found on the internet Keuffel & Esser of New York offered Model 4092 from about 1909 to 1921.  The leather case has Thos S Mayner '29 carved into it.
    Human Nutmeg Liver Pathology Microscope Slide
    Slide dated May 31, 1888.