1. Improvement to Palmer's endless self-computing scale and key: adapting it to the different professions, with examples and illustrations for each profession, and also to colleges, academies and schools : with a time telegraph making, by uniting the two, a computing telegraph Author(s): Fuller, John E. (John Emery), 1799-1878 Publication: New-York : [Smith], 1851 Subject(s): ComputersMathematical Concepts