Author: Cooper, John Thomas (1790-1854). English chemist who was a supplier of chemicals. He collaborated on producing a number of tools, including a hydrometer.
Title: Cut Signature of the English Chemist John Thomas Cooper.
Description: Circa [1840's]. [1840's]. Circa [1840's]. [1840's]. Good. - John Thomas Cooper's autograph penned on a 7/8 inch high by 2-3/4 inch wide slip of paper cut from a longer letter, mounted on 1-1/8 inch high by 3-1/8 inch wide piece of paper cut from an autograph album. Slightly soiled with minor glue stains. Good. The English chemist John Thomas Cooper (1790-1854) was a noted lecturer, chemical analyst and supplier of chemicals at the time interest in the study of chemistry was growing. He devised and collaborated on the production of tools and techniques, including the development of a hydrometer and an oxy-hydrogen microscope, among others. A number of times, he appeared in court as an expert witness. Good .

Keywords: SCIENCE; CHEMISTRY; CHEMIST; SCIENTIST; JOHN THOMAS COOPER; CUT SIGNATURE; AUTOGRAPH; SIGNED; ENGLISH; HYDROMETER; SUPPLIER OF CHEMICALS; NINETEENTH CENTURY; 19TH CENTURY; EXPERT WITNESS.


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