The first book which Fine authored himself was published in 1526 and it was on the equatorium, an instrument which Fine was very interested in and which he worked on throughout his life, writing four further texts about it.
Ang unang libro na kung saan Fine authored siya mismo ay na-publish sa 1526 at ito ay sa equatorium, isang instrumento na Fine ay interesado sa tunay at kung saan siya nagtrabaho sa lahat ng dako ng kanyang buhay, pagsusulat ng apat na karagdagang mga teksto tungkol sa mga ito.