In 1922, Garnett became professor of graphic arts at the Carnegie Institute of Technology in Pittsburgh, Pennsylvania, teaching traditions, development and ideals of printing. There, he founded the Laboratory Press, as the only program in the country for the teaching of fine printing until the press closed in 1935.[3] The Press was one of the only dedicated to education in printing as a fine art.[2][4] In 1932, he was awarded the AIGA Medal.[5][6][7][8]
When Porter and his wife Edna retired, they established their home at Foote Ranch in the Bay Area, which Edna's father had pioneered.[7] Garnett died on March 21, 1951, in Calistoga, California.[1] After his death, an archive of his papers was created in his name in the Bancroft Library.[7]
^Garnett, Porter (1927). A Documentary Account of the Beginnings of the Laboratory Press, Carnegie Institute of Technology. Pittsburgh: Laboratory Press. pp. 43, 120–124, etc.
^San Francisco Committee of Vigilance of 1851; Garnett, Porter (1910-01-01). Papers of the San Francisco Committee of vigilance of 1851. I. Publications of the Academy of Pacific Coast History ;vol. 1, no. 7. Berkeley, Calif.: University of California.{{cite book}}: CS1 maint: numeric names: authors list (link)
^Bohemian Club (San Francisco, Calif.); Garnett, Porter; H.S. Crocker & Co. (1918-01-01). The grove plays of the Bohemian Club. San Francisco: Printed for the Bohemian Club at the press of the H. S. Crocker Company.