Encyclopaedia Britannica, 11th Edition, "Groups, Theory of" to "Gwyniad" / Volume 12, Slice 6

Metadata

Gutenberg ID

38304

Title

Encyclopaedia Britannica, 11th Edition, "Groups, Theory of" to "Gwyniad" / Volume 12, Slice 6

Language

en

Book source

Project Gutenberg

Description max 80 words

A comprehensive reference volume from the Eleventh Edition of Encyclopaedia Britannica, this slice covers a vast array of topics ranging from advanced mathematical theories on groups to detailed entries on historical figures, geographical locations, and natural phenomena. Written with authoritative clarity, it serves as an essential resource for scholars and general readers seeking precise information on arts, sciences, literature, and general knowledge.

Summary up to 500 words

Volume XII, Slice VI of the Eleventh Edition of Encyclopaedia Britannica presents a diverse array of authoritative entries spanning mathematics, geography, natural history, and biography. The volume opens with a rigorous mathematical exposition on 'Groups,' defining fundamental algebraic structures such as cyclical and Abelian groups. It details operations, inverse elements, subgroups, conjugate operations, and isomorphism, distinguishing between finite, continuous, and discontinuous groups while exploring concepts like self-conjugate subgroups and factor-groups. Transitioning to geography, the text provides detailed accounts of Indian regions including Gujranwala, Gujrat, Gulbarga, and Gwalior. These entries describe their histories under Sikh, Mughal, and British rule, noting demographics, economic activities like grain exports and cotton trade, and specific historical events such as the decisive battles of the second Sikh war at Gujrat in 1849. The volume also covers natural history with entries on the Gulf Stream's path and velocity, the biology of Gulfweed (*Sargassum bacciferum*), and the fish species *Gwyniad* found in North Wales lakes. Historical biographies feature Sir William Gull, a distinguished physician who identified myxoedema; Joseph Gwilt, an architect known for his treatises on equilibrium and architecture; and Nell Gwyn, the celebrated mistress of Charles II and actress. Mythological entries include the Babylonian goddess Gula, described as a healer invoked in incantation rituals. Architectural history is explored through discussions of Gweedore in Ireland and the works of Joseph Gwilt. Throughout, the entries maintain factual density and technical precision, reflecting the encyclopedia's mission to deliver comprehensive information across disciplines without narrative embellishment.

LLM editorial rating

4.2/5

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Categories

• Encyclopedias and dictionaries