Opticks by Isaac Newton (source code)

= Opticks by Isaac Newton
{c}
{title2=1704}
{title2=linked fourth edition, 1730}

https://www.gutenberg.org/files/33504/33504-h/33504-h.htm

The linked fourth edition retains advertisements dated 1704 and 1717. Book I, part I develops different refrangibility and the composition of light. Later queries must not automatically be attributed to the first edition.