The partnership of Frye & Shaw (1837-1845) was formed by Addington D. Frye and Robert Ludlow Shaw and was located in New York City.

"New York City directory:  1837-38 Frye & Shaw, mathematical instruments 222 Water.  New York State Business directory:  1840 Listed on page 108, 1844-45 same." [1]

"Addington D. Frye was listed in the New York City directories as follows:  1836-37 Frye, Addington D. naut. inst. 222 Water h. 33 Pike;   1840-43 Frye & Shaw;  1844-45 Frye, Addington D. math inst mkr 33 Pike;  1845-46 Frye, Addington D. math inst mkr 33 Pike;  1847-48 Frye, Addington D. late math inst mkr h. 33 Pike." [2]

"Robert Ludlow Shaw was born in New York City in 1813.  He died in New York City October 23, 1876.  He is buried in Trinity Church Cemetery in New York.  New York City Directories:  1836-37 Shaw, Robert L.  math inst. 222 Water h. 144 Rivington;  1837-45 Frye & Shaw math inst. 222 Water;  1845-47 Shaw, Robert L. math inst. 222 Water h. 25 Hamilton;  May 1, 1858 to May 1, 1867 Shaw, Robert L. 119 Beekman & 222 Water.  1876-77 Shaw, Robert L. math inst. 110 Wall h. 38 W. 46th." [3]

[1, 2, 3] Reference:  Smart, Charles E.   The Makers Of Surveying Instruments In America Since 1700  Troy, New York:  Regal Art Press.  1962