The records document the development of the first commercial atomic clocks by the National Company, Inc., (NATCO) of Malden, Massachusetts, a company known for producing specialized electronic equipment. The records include blueprints, technical drawings and schematics, technical and research reports, instruction manuals, photographs, and marketing materials.
Photographic prints and negatives documenting the interior operations of the Hamilton Watch Company primarily in the 1930s and 1940s.
The collection documents three major areas of Jacob Rabinow's work in improvement of electronic and other devices: phonograph record players, optical character recognition (reading machines) and automatic self regulation of watches and clocks.
Records document Charles Eisler, a Hungarian immigrant who was a skilled mechanic and engineer and his company, Eisler Engineering Company of Newark, New Jersey, which manufactured equipment for producing electric lamps, television and radio tubes, welding equipment and laboratory equipment.
Correspondence, administrative records, operational records, company newsletters, news clippings, photographs, photograph albums, and audio-visual materials.
These records consist of correspondence and memoranda pertaining to horology, exhibit proposals, manufacturers of engineering equipment, models, collections management, minutes of meetings, acquisitions, and installation of exhibits. Also included are blueprints for the Hall of Heavy Machinery; exhibit scripts from Power and the Early Ste...
The Magellan Systems Corporation Records document various aspects of the development of several different Magellan GPS devices through engineering, research, design, manufacturing, and marketing records. Magellan Systems Corporation introduced the first hand-held differential GPS product and the conpany's focus was on research, product engineering, and design activities for GPS receivers. The collection includes correspondence and internal company reports and memoranda; design drawings; research notes; engineering notebooks, technical notes, schematics; photographs, slides and negatives; video and audiocassettes; advertisements; product literature, magazine articles and newspaper clippings; press releases; and user guides and manuals.
The Leo Castelli Gallery records measure 215.9 linear feet and date from circa 1880-2000, with the bulk of the materials dating from the gallery's founding in 1957 through Leo Castelli's death in 1999. The major influence of dealer Leo Castelli and his gallery on the development of mid-to-late twentieth century modern art in America is well-documented through business and scattered personal correspondence, administrative files, exhibition files, extensive artists' files and printed materials, posters, awards and recognitions, photographs, and sound and video recordings. Also included are records for the subsidiary firms of Castelli Graphics and Castelli/Sonnabend Tapes and Films.
The collection documents the creative, technical and political aspects of managing WANN Radio Station in Annapolis, Maryland during the mid-Twentieth Century. Key areas of research include black radio stations; Annapolis African American communities; marketing to Black communities; political activism through media; Black-Jewish community relationships; church, community and media activism.
Processed by Craig Orr, archivist, (1999); Jennifer Shaifer (intern), October-December 2008; Ramona Williamson (volunteer), November 2008; Sarah Allan, November 2008; supervised by Vanessa Broussard Simmons, archivist.