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I've been reading the book quarks and leptons and the maths font used in the book is growing on me. Here is a snippet from the book

enter image description here

However, I cannot seem to find the maths font for this book. Anyone have any idea what the font is?

Joshua Pasa
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  • which book on that subject? do you have pdf of it or just on paper? – David Carlisle Jan 05 '22 at 15:39
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    Welcome to TeX.SE! Do you have a pdf? If yes, check the used fonts in the pdf file ... – Mensch Jan 05 '22 at 15:39
  • @DavidCarlisle I'm using a pdf that I have found online – Joshua Pasa Jan 05 '22 at 15:41
  • @Mensch I will attach the pdf i have found – Joshua Pasa Jan 05 '22 at 15:41
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    then use pdffonts utility or teh font menu in your pdf reader and see the fonts used (unless the pdf is just a collection of bitmap scans of a real book) – David Carlisle Jan 05 '22 at 15:41
  • @DavidCarlisle I think its a scan of a book – Joshua Pasa Jan 05 '22 at 15:42
  • @DavidCarlisle It was published in 1983 is that too old? – Joshua Pasa Jan 05 '22 at 15:44
  • well that almost predates TeX, also it's not clearly a legal copy, so I choose not to look at it too closely. – David Carlisle Jan 05 '22 at 15:45
  • @DavidCarlisle oops – Joshua Pasa Jan 05 '22 at 15:46
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    I think this should be closed as a duplicate of the generic what-font question, probably the exact font is not available in current digital formats, possibly use a times-ish math font such as newtxmath or stix2. – David Carlisle Jan 05 '22 at 16:03
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    Looks like Times. That was a workhorse font in the mid 20th century. – barbara beeton Jan 05 '22 at 16:29
  • @barbarabeeton What times font is the math font in, ive been looking around and I cant find one – Joshua Pasa Jan 06 '22 at 22:24
  • It probably isn't a Times font that is now available to TeX. What it looks like to me is the Times font used on the Autologic APS-5, a CRT-based typesetter that set its output on photographic paper (and requiring a darkroom to process). I don't know of any of these machines in use since the beginning of this century. The Times clone most often recommended these days is in two parts: newtxtext and newtxmath. – barbara beeton Jan 06 '22 at 23:19
  • @barbarabeeton is there any way to recreate this font so you can use it in latex or is it under some copyright restrictions? – Joshua Pasa Jan 07 '22 at 01:37
  • The mechanism for actualizing this font was either patent-protected or closely held by the Autologic company. In any case, it was a purely commercial font. I don't know anyone who might know how to decode and reimplement it for a modern laser printer. It would definitely not be an easy or "direct" translation. – barbara beeton Jan 07 '22 at 02:11

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