Memorandum and account book belonging to Charles A. Ronne. The majority of the pages are blank. Ten pages contain a record of Ronne's expenses from November 1879 through March 1880. After a break of several pages, there…

Beckman's Space Engineering Group designed and built "the Moonspoon," a prototype instrument to sample and analyze lunar soil via absorption spectroscopy.

Contains a listing of available benzo color dyes.