How Old Is My Young & Sons?

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Young & Sons - numbers are estimated, not actual.   Information provided by  Robert C. Miller.

1854          3227

1856          3524

1858          3717

1860          3804

1862          3870

1864          3936

1866          4006

1868          4198

1870          4391

1872          4584

1874          4777

1876          4969

1878          5162

1880          5354

1882          5547

1884          5739

1886          5932

1888          6125

1890          6317

1892          6510

1894          6702

1896          6895

1898          7087

1900          7280

1902          7473

1904          7665

1906          7858

1908          8050

1910          8243

1912          8435

1914          8628

1916          8821
On Young instruments, no serial numbers below 3000, but these instruments can be roughly dated as follows:

All instruments from 1825 through 1840 are signed "W. J. Young"

All instruments from 1841 through 1865 are signed "Wm. J Young"

All compasses and transits made 1832 to 1846 contain additional marking "patent"

 

 

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