Blunt & Co.  (1868-1872)

New York

"Edmund M. Blunt was making and selling surveying instruments during the war of 1812 and had been in business for several years prior to the war.  In 1849 his two sons, Edward and George W. succeeded to the business established by their father.  About 1870 or 1871, two sons of Edward Blunt and an uncle by the name of Nichols took over the plant under the firm name of Blunt and Nichols.  Later the names were changed to Blunt & Co., then Eckel & Imhoff and afterwards to F. Eckel.  About 1885 the name was changed to Kolesch & Co."

Reference:  Smart, Charles E.   The Makers Of Surveying Instruments In America Since 1700  Troy, New York:  Regal Art Press.  1962