OPHTHALMIC TONOMETER -SIGNED- ca. 1920's

Description

Tonometer ca. 1920's, SIGNED "E.B. Meyrowitz" 520 Fifth ave., New York, London, Paris" on the inside of the original case. Also the inscription 'Est. 1875' and 'Limits of Normal Intra-ocular pressure, 22-40mm.....' . Outside of the original case it reads 'Mc Lean Tonometer'. Case click lock works well. Overall  in excellent condition for its age. Sold as an antique instrument for display and historical value. Ships only to the US. Please ask any questions if need be prior to bidding.
*Will be shipped with signature required and insured, thus the shipping charge*