The well springe of sciences : which teacheth the perfect worke and practise of arithmeticke, bothe in whole numbres and fractions, set forthe by Humfrey Baker, Londoner, 1562. And nowe once agayne perused augmented and amended in all the three partes, by the sayde aucthour, whereunto hee hathe also added certaine tables of the agreement of measures, and waightes, of diuers places in Europe, the one with the other, as by the table folowing it may appeare. 1574.