Robert A. Knight Collection

1893 Worlds Fair Chicago Letters relative to Waackaack Lighthouse Tower

1893 Worlds Fair Letters about Waackaack Lighthouse Construction and removal

3rd Order Lens Ready For Shipment

Changing Characteristics at Point Loma CA (1)

Changing Characteristics at Point Loma CA (2)

Changing Characteristics at Point Loma CA (3)

Chicago Harbor IL - Description File

Chicago River IL before removal to Rawley Point WI

Finding Aid for National Archives Lighthouse Information by Candace Clifford

Inspection of steel work for Waackaack Lighthouse Tower

Jupiter Inlet FL - Description File

Lens Letter

Lens Originally For Pt. Loma To Be Sent To Chicago

Letter April 12, 1888

Letter August 15, 1889

Letter August 22, 1890

Letter December 5, 1890

Letter February 25, 1891

Letter February 7, 1890

Letter January 5, 1890

Letter July 21, 1890

Letter July 22, 1890

Letter July 23, 1890

Letter July 7, 1890

Letter June 15, 1891

Letter June 3, 1892

Letter June 3, 1892 (2)

Letter March 19, 1890

Letter March 3, 1891

Letter November 15, 1890

Letter November 20, 1890

Letter November 8, 1890

Letter October 30, 1890

Letter September 17, 1890

Letter September 19, 1890

Letter September 26, 1890

Letters Related to Chicago Harbor Breakwater IL

Letters Related to the Columbian Exposition 1893 Chicago in NA RG26-E38