Fonds consists of personal and professional documents and memorabilia related to Eric Leslie Hammer, wireless operator. Dating primarily from the 1930s and 1940s but also including a certificate of marriage between Eric Leslie Hammer and Yuiko Kato, married 29 June 1977.

Includes a screenplay written by Hammer, postcards, newspaper clippings, certificates, citation of valour, and travel photographs including some photographs of a Mr. and Mrs. Rogers and a reel of film taken of RMS Empress of Russia. Also includes several issues of "Serial Waves" dating to 1940 and some drawings and cartoons.