Men of Invention and IndustryHarper & Brothers, 1885 - 396 páginas |
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Página 72
... telescope ; but if he have a correct chronometer , and can make an astro- nomical observation , he may readily ascertain his lon- gitude , and know his approximate position - how far he is from home , as well as from his intended ...
... telescope ; but if he have a correct chronometer , and can make an astro- nomical observation , he may readily ascertain his lon- gitude , and know his approximate position - how far he is from home , as well as from his intended ...
Página 83
... telescope , which not only allowed fainter objects to be seen , but especially enabled the sight to be accu- rately directed to the object observed . The instruments of the pretelescopic age reached their glory in the hands of Tycho ...
... telescope , which not only allowed fainter objects to be seen , but especially enabled the sight to be accu- rately directed to the object observed . The instruments of the pretelescopic age reached their glory in the hands of Tycho ...
Página 84
... telescope for accurate sighting . These improvements were due to many scientific men -to William Gascoigne , who first used the telescope , about 1640 ; to Robert Hooke , who , in 1660 , proposed to apply it to the quadrant ; to Sir ...
... telescope for accurate sighting . These improvements were due to many scientific men -to William Gascoigne , who first used the telescope , about 1640 ; to Robert Hooke , who , in 1660 , proposed to apply it to the quadrant ; to Sir ...
Página 101
... . At the Cape of Good Hope , it is said to have " answered beyond all expecta- tion . " Further south , in the neighborhood of Cape Circumcision , he says , " the use of the telescope is found difficult at first , but a little practice ...
... . At the Cape of Good Hope , it is said to have " answered beyond all expecta- tion . " Further south , in the neighborhood of Cape Circumcision , he says , " the use of the telescope is found difficult at first , but a little practice ...
Página 324
... Hour , by Edwin Dunkin , of the Royal Ob- servatory , Greenwich . These last papers were accom- panied by maps of the chief constellations , so that I Buying a Telescope . 325 had a renewed opportunity of 324 Astronomers and Students .
... Hour , by Edwin Dunkin , of the Royal Ob- servatory , Greenwich . These last papers were accom- panied by maps of the chief constellations , so that I Buying a Telescope . 325 had a renewed opportunity of 324 Astronomers and Students .
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Términos y frases comunes
afterwards astronomer became Belfast Bensley Bianconi Board of Longitude boat Boulton Boulton & Watt built Captain carried Charles Bianconi chronometer Clonmel Cloth coast constructed contrived cylinder difficulty employed employment engine England English enterprise experiments feet fish fleet four Francis Pettit Smith Half Calf Harrison History hour Huguenots hundred tons Illustrations improved inches industry invention inventor Ireland Irish iron Italian John John Lombe JOHN S. C. ABBOTT Koenig labor land length letter Liverpool Lombe London longitude Lord lord high admiral machinery manufacture marine chronometer mechanical ment Messrs method miles Murdock navigation navy newspaper organzine paper patent Pett Phineas Pett printing machine proceeded propeller Royal sail says Scotland screw ship-building ships silk steam steam-engine steamers telescope thousand tion took town trade vessel vols voyage Walter Watt William William Murdock young
Pasajes populares
Página 205 - But the images of men's wits and knowledges remain in books, exempted from the wrong of time, and capable of perpetual renovation. Neither are they fitly to be called images, because they generate still, and cast their seeds in the minds of others, provoking and causing infinite actions and opinions in succeeding ages...
Página 98 - Full little knowest thou that hast not tried What hell it is in suing long to bide ; To lose good days that might be better spent, To waste long nights in pensive discontent, To speed to-day, to be put back to-morrow, To feed on hope, to pine with fear and sorrow, To have thy prince's grace yet want her Peers...