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Albert Einstein in 1929....
Item # 695975
January 30, 1929
THE NEW YORK TIMES, January 30, 1929.
* Albert Einstein's Unified field theory
* Gravitation & electromagnetism
The top of page 5 has a one column heading: "EINSTEIN GEOMETRY IN THEORY EXPLAINED" with subheads. (see)
Complete with 48 pages, light toning at the margins, a little irregular along the spine, generally very nice.
Category: The 20th Century