Excerpts from Maryland Institute for the Promotion of the Mechanic Arts informational booklet
1886
1886
circa 1925
circa 1935-1950
1831
1887
1846-09-12
undated
1862
circa 1829-1832
undated
1792
1796-03-21
undated
1931
1861
1814
1776-07-13
circa 1784
circa 1840
circa 1860
circa 1883
1917-05-14
1917-05-14
1917-05-14
circa 1860-1890
1902-10
1902-10
circa 1861-1865
1836-1845
1782
circa 1900
1985
circa 1900
1890-09-19
1918-1920
1870-05-19
1777
1917-05-14
1880
circa 1717-1720
circa 1930
circa 1800-1900
circa 1795
1799-08-31
1797
circa 1797-1798
1942
1815-1849
circa 1800s
circa 1856-1860
circa 1968
undated
undated
1763-03-28
circa 1835
1970
circa 1970s
circa 1970
circa late 18th century
1920