The Blue and Brown Books.
Preliminary studies for the "Philosophical investigations".
First edition, first impression. Wittgenstein dictated the “Blue Book” (though he did not call it that) to his class in Cambridge during the session 1933-34, and had stencilled copies made – these came to be known as the “Blue Book”, taken from the colour of the wrappers; the “Brown Book” was dictated to two pupils between 1934 and 1935, and three typed copies bound in brown wrappers were produced. From the library of Dolf Mootham (1933-2015), with his ownership inscription to the front free endpaper. Mootham was chief financial officer of merchant bank Hill Samuel in 1977, and became the finance director of Trustee Savings Bank in 1988.
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Octavo. Original blue cloth, titles to spine gilt. With the dust jacket. With diagrams to text. Faint foxing to endpapers and edges of text block. A very good copy in the toned jacket, with a couple of nicks and minor chips to extremities.