The World Book Encyclopedia, Tom 4Field Enterprises Educational Corporation, 1960 |
Z wnętrza książki
Wyniki 1 - 3 z 11
Strona 147
... Diamonds is repre- sented by these world - famous gems , whose value totals millions of dollars . ORLOFF Diamond Mining in South Africa takes place in shafts and tunnels sunk hundreds of feet underground . The diamonds come from blue ...
... Diamonds is repre- sented by these world - famous gems , whose value totals millions of dollars . ORLOFF Diamond Mining in South Africa takes place in shafts and tunnels sunk hundreds of feet underground . The diamonds come from blue ...
Strona 148
... diamond at the proper angle to grind a facet against a revolving disk coated with diamond dust . .09 2.9 О J. A rough , uncut and unpolished diamond before cutting begins . Before polish- ing , a worker saws the rough diamond in two ...
... diamond at the proper angle to grind a facet against a revolving disk coated with diamond dust . .09 2.9 О J. A rough , uncut and unpolished diamond before cutting begins . Before polish- ing , a worker saws the rough diamond in two ...
Strona 149
... diamond should have no physical defects , such as cracks , spots , scratches , blemishes , or cloudy texture . But a flawless diamond may not have the right color . Some dealers use the term perfect to describe a diamond that has no ...
... diamond should have no physical defects , such as cracks , spots , scratches , blemishes , or cloudy texture . But a flawless diamond may not have the right color . Some dealers use the term perfect to describe a diamond that has no ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
American animals army Articles in WORLD arts Atlantic Ocean became body born breed British Brown Bros called cause chemical College color map color picture dairy dance Danish date palm Davis death decimal decimal fraction decoration deer Delaware Delaware Bay Delaware River democracy Democratic Denmark Detroit deuterium developed diamond dinosaurs diphtheria disease diver diving division dolls drama drugs du Pont ducks elected engine England English Europe famous farm feet fractions France French German Greek important inches Indian industry Island John King land live manufacture Medal ment miles milk Museum North painting person plants plays Pont President produced Related Articles River Roman Scientific Classification served ships square miles sulfa drugs Terrier theater Theropods tion United University usually William Wilmington WORLD BOOK include World War II wrote