The benefits of particular mechanical and transport innovations are promoted in a sampling of nineteen-century broadsides, while an early twentieth-century advertisement advertises electrical service and products. Correspondence to and from the Sheffield Scientific School of Yale University addresses a wide range of topics, including chemical analysis of a patent medicine and inquiries about availability of scientific equipment. To find more resources on science and technology in Connecticut and any related topics, use the topic headings and other keywords within records to extend your searches--terms such as “inventors,” “patent*,” “research and development,” (enclosing phrases in quotes, and using an * to allow for singular, plural or other forms), and the names of individuals, groups, or organizations.
