| 41. | Bessa developed a masterful use of stipple engraving technique, an essential part of colour printing.
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| 42. | Basically the program should make every color either black or white; no grays with stippling.
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| 43. | Phalangeal abnormalities are important clinical features to look for once the stippling is no longer visible.
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| 44. | In 1815, Walker went to London to study as a stipple engraver under Thomas Woolnoth.
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| 45. | His engravings were chiefly in stipple.
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| 46. | The blocks were skillfully carved with extremely fine lines to create stippling and variations in tone.
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| 47. | The nuclei tend to be regular, round-to-oval and contain stippled chromatin.
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| 48. | The tall, narrow windows hand painted with a stipple pattern also contribute to this light.
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| 49. | Freeman is known for working mainly in stipple, and the portrait here is no exception.
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| 50. | Washes, stipple or dotting effects, and " surface tone " in printmaking are other techniques.
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