Hi, does anybody can help to recognize the font of this file. Please pay attention to "g"s. If it is typewritten, which font is nowadays similar to that in Office word? Thanks.
The book is
Local Fields, by J. W. S. Cassels, Cambridge University Press, 1986
as testified by this preview in Google Books (the yellow bits are due to the search engine)
At the time some publishers didn't want to afford big expenses for typesetting books with a small readers' base such as mathematics: the cost for typesetting math was much higher than for normal books. Thus they often accepted typewritten texts that were simply photographed and printed in offset.
The font is something you can find in some old British typewriter. You get an approximation with the standard Computer Modern Typewriter font (not the peculiar “g”, I'm afraid). Several math departments had very skilled typists that were able to get good results despite the medium. Anyway, this is something I'd not even try reproducing: it's even uglier than the average word processor document