Nature, Količina 104Sir Norman Lockyer Macmillan Journals Limited, 1919 |
Iz vsebine knjige
Zadetki 1–3 od 82
Stran 251
... colour method of colour photography was not practical , because the plates available were insensitive to red and nearly insensitive to green . But the keys to the removal of these two great barriers to progress were soon to be found ...
... colour method of colour photography was not practical , because the plates available were insensitive to red and nearly insensitive to green . But the keys to the removal of these two great barriers to progress were soon to be found ...
Stran 253
... colour half - tone process . This was based upon James Clerk Maxwell's researches made so long ago as 1861. The drawing or ob- ject is photographed successively through three colour filters for the red negative a green filter is used ...
... colour half - tone process . This was based upon James Clerk Maxwell's researches made so long ago as 1861. The drawing or ob- ject is photographed successively through three colour filters for the red negative a green filter is used ...
Stran 432
... colour . This has never been surpassed by any artist of ancient or modern times in water colour . In the work before us we are presented with a series of finished sketches , mostly in for his models the most restive and elusive of all ...
... colour . This has never been surpassed by any artist of ancient or modern times in water colour . In the work before us we are presented with a series of finished sketches , mostly in for his models the most restive and elusive of all ...
Druge izdaje - Prikaži vse
Pogosti izrazi in povedi
acid æther Agriculture appears application appointed Astronomical atomic weights body botany Bournemouth British Association Cambridge cent chemical chemistry College colour comet Committee Department direction discovery disease economic edition effect electric electrons elements energy engineering existence experimental experiments fact geological give given guanidin helium illustrated important increased industry Institute interest investigation J. J. Thomson James Watt journal knowledge laboratory larvæ lectures light lines London Lord Rayleigh mathematics matter ment methods Museum National Physical Laboratory NATURE November observations obtained October organisation paper period physical plants plates position possible practical present President problems production Prof progress published radiation radium recent recognised record regard Royal Society scientific Solar Eclipse South species Spitsbergen surface telegraphy temperature theory tion University velocity W. H. Bragg wireless workers X-rays