Item

Category: Archives -> Books  
Donor: Audrey Robertson Boals
Location: Document Room -> Document Boxes -> Robertson Collection  
Accession Number: 2018.2660.22  
Name of Object: The Log Log Dulpex Slide Rule: A self teaching manual by William E. Breckenridge 1932  
Description: Book titled "The Log Log Duplex Slide Rule: A self teaching manual with tables of settings, equivalents and gauge points" by William E. Breckenridge A.M. Associate in Mathmatics Columbia University, New York City. Staple bound. Front and back cover as well as a portion of the beginning have fallen off and are separated from the main text.  
History: Owned and signed by Capt. Bernard A. Robertson, captain on the Ludington carferries and first captain of the Badger. Donated by his daughter.  
Condition: Poor  
Height: 8 inches
Width: 5.5 inches  
Depth: 0.5 inches