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The Munger System Ginning Outfit (or system gin) integrated all the ginning operation machinery, thus assuring the cotton would flow through the machines smoothly. Such system gins use air to move cotton from machine to machine. [4] Robert's motivation for his inventions included improving employee working conditions in the gin.
Sigma Sigma Sigma (ΣΣΣ), also known as Tri Sigma, is a national American women's sorority. Sigma Sigma Sigma is a member of the National Panhellenic Conference (NPC), an umbrella organization encompassing 26 national sororities or women's fraternities, which focus on service, education, scholarship programming and social activities.
Following is a list of Sigma Sigma Sigma chapters. [1] Active chapters noted in bold , inactive chapters noted in italics . Chapters listed in order of founding.
Sigma Psi Zeta, an Asian-interest sorority, established its Lambda chapter at UVA in 2001. The chapter evolved from an Asian interest group called Sisterhood of Young Asians. [2] [117] Sigma Sigma Sigma (ΣΣΣ) April 23, 1981: ISC The university's chapter of Sigma Sigma Sigma, better known as "Tri-Sig," was established in 1981.
Tri-State's first men's social fraternity, Sigma Mu Sigma formed in 1921, and its first women's social sorority, Sigma Alpha Gamma (local) formed in 1926. [ 1 ] As of 2018, 26% of male and 19% of female undergraduates are involved in these groups.
The fraternity was founded on October 4, 1968, by students from the University of the Philippines Diliman. [2] Initially known as the "Order of the U.P. Triskelions", the organization later on changed its name to the "Order of the Grand Triskelions", then later "Triskelions Grand Fraternity" which was then changed into the Greek letter name Tau Gamma Phi, in line with other student fraternities.
Tris(pentafluorophenyl)borane, sometimes referred to as "BCF", is the chemical compound (C 6 F 5) 3 B.It is a white, volatile solid. The molecule consists of three pentafluorophenyl groups attached in a "paddle-wheel" manner to a central boron atom; the BC 3 core is planar.
A model of a 19th-century cotton gin on display at the Eli Whitney Museum in Hamden, Connecticut. A cotton gin—meaning "cotton engine" [1] [2] —is a machine that quickly and easily separates cotton fibers from their seeds, enabling much greater productivity than manual cotton separation. [3]