This remains a standard in the field, despite the last supplement was in 1971. Each article in this single volume work has a glossary of terms, a definition, a first-principal based discussion of the topic and a bibliography. A comprehensive introductory reference source in a single volume. Articles are arranged in alphabetical order. This text contains measurements and quantifications for not only mathematics and the sciences but other disciplines as well.
Most definitions provide a means to convert the unit into something else.
A guide to help unravel the complexity of early modern English weights and measures. Each entry gives variant spellings of the terms and the centuries in which they were used preceding a general explanation of the unit. Designed as a comprehensive 1 volume work covering the wide range of spectroscopy and its applications. This two-volume set is designed to discuss weather and climate change and their effects on environment and society from both scientific and social science viewpoints. 1972 Contains tables of data, graphs and bibliographies.