If after several tryals the metal appears to have always the fame Signs of abad kind of defect, and answering to the same ... for its motion on the hones; not forgetting, after every 15 or 20 strokes, to turn it on its axis about Ta#39;- or ^of a revolution.
Title | : | A Complete System Of Opticks |
Author | : | Robert Smith |
Publisher | : | - 1738 |
You must register with us as either a Registered User before you can Download this Book. You'll be greeted by a simple sign-up page.
Once you have finished the sign-up process, you will be redirected to your download Book page.
How it works: