 | Isaac Newton - 1730 - 432 páginas
...bring all its leaft Particles to an accurate Polifh; fo that all their Surfaces fhall be truly plain of truly fpherical, and look all the fame way, fo as...Scratches by which they continually fret and wear away the Glafs until it bepolim'd; but be they never fo fmall they can wear away the Glafs no otherwife... | |
 | Isaac Newton - 1730 - 403 páginas
...fretting the Glafs, bring all its leaft Particles to an accurate Polifli j fo that all their Surfaces mall be truly plain or truly fpherical, and look all the...Scratches by which they continually fret and wear away the Glafs untU it be polim'd; but be they never fo fmall they can wear away the Glafs no other... | |
 | Robert Smith - 1738 - 402 páginas
...bring all its leaft particles to an accurate polifh} fo that all their furfaces mall be truly plane or truly fpherical, and look all the fame way, fo as together to compofe one even furface. This manner of polifhing with powders can do no more than bring the roughnefs of the glafs... | |
 | Richard Helsham - 1767 - 458 páginas
...'" glafs, bring all its leaft particles to an accurate po*' Ufh, fo that ! all their furfaces fhall be truly plain, " or truly fpherical, and look all the fame way, fo ** as together to compofe'one even furface. The " fmaller the particles of thofe fubftances are, ; the ** fmaller will... | |
 | William Nicholson - 1787 - 446 páginas
...bring all its leaft particles to an accurate polifh, fo that all their furfaces fhall be truly plane or truly fpherical, and look all the fame way, fo as together to ' compofe one even furface. The fmaller the particles of thofe fubftances are, the fmaller will be the fcratches by which... | |
 | Richard Helsham - 1802 - 500 páginas
...the 'i glafs, bring all its leart particles to an accurate po" lifh, fo that all their furfaces fhall be truly plain, " or truly fpherical, and look all...the fame way, fo *' as together to compofe one even furface. The fmaller the particles of thofe fubttances are, the fmaller will be the fcratches by which... | |
 | Denis Weaire, Patrick Kelly, David Attis - 2000 - 450 páginas
...the " glafs, bring all its leaft particles to an accurate po" lifh, fo that all their furfaces fhall be truly plain, " or truly fpherical, and look all...the fame way, fo " as together to compofe one even furface. The " fmaller the particles of thofe fubftances are, the " fmaller will be the fcratches by... | |
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... from polifhed bodies could not be fo regular as they are. For in polifhing glafs with fand, putty, or tripoly, it is not to be imagined that thofe fubftances can, by grating and fretting the glafs, bring all its leaft particles to an accurate polifh,... 