Thayer, Horace H.

Collection of naval architectural plans, naval architectural and engineering specifications, and subject files addressing various aspects of ship construction and components, assembled by Mr. Seward, a naval architect, marine engineer, and educator. The architectural plans, created by the firm William Cramp and Sons, date from the early 20th century. Some items in the collection were probably originally obtained by two colleagues of Mr. Seward, Axel Rossell and Horace H. Thayer.