A broadside advertisement for J. H. Cooper's gas regulators. The advertisement lists Solomon, Isaac, Abram Pollock, and Herman Pollock as satisfied users. It provides addresses for the company: 511 W. Fayette St., Howard St., and Gay St., Baltimore, Maryland. Published circa 1860 by Jackson & Chandler, Baltimore, Maryland.
Subject: Gas regulators
No additional authority information available for Gas regulators.