American Edition of the British Encyclopedia: Or, Dictionary of Arts and Sciences ; Comprising an Accurate and Popular View of the Present Improved State of Human Knowledge, Volume 3Mitchell, Ames and White, 1819 - Natural history |
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Page 9
... rays ; the petals are lanceolate , entire , but rolled inwards , so as to appear as if they were emarginate ; the filaments are longer than the petals ; the pistils at first close , after divaricate , but never bend back . This ...
... rays ; the petals are lanceolate , entire , but rolled inwards , so as to appear as if they were emarginate ; the filaments are longer than the petals ; the pistils at first close , after divaricate , but never bend back . This ...
Page 10
... ray , edged ; down an obscure edge ; receptacle chaffy . There are twelve species , of which , B. frutes- cens , shrubby ox - eye , rises with several woody stems from the root , and grows to the height of eight or ten feet , furnish ...
... ray , edged ; down an obscure edge ; receptacle chaffy . There are twelve species , of which , B. frutes- cens , shrubby ox - eye , rises with several woody stems from the root , and grows to the height of eight or ten feet , furnish ...
Page 14
... rays falling thereon into a very small space . called the focus ; where wood , or any other combustible matter , being put , will be set on fire . See OPTICS We have some extraordinary instances and surprizing accounts of prodigious ef ...
... rays falling thereon into a very small space . called the focus ; where wood , or any other combustible matter , being put , will be set on fire . See OPTICS We have some extraordinary instances and surprizing accounts of prodigious ef ...
Page 15
... rays re- ceived on a circular surface of 2 feet 83 inches , when concentrated within the di ameter of an inch , will be 1056.25 times its intensity , or this number of times greater than the heat of the sun , as felt on the surface of ...
... rays re- ceived on a circular surface of 2 feet 83 inches , when concentrated within the di ameter of an inch , will be 1056.25 times its intensity , or this number of times greater than the heat of the sun , as felt on the surface of ...
Page 16
... rays received by the moon were reflected back , and that the earth was absolutely without heat , that the effect of this reflection would be found to be .00367 of a degree ( for 240,000 × 2 : 178 ° :: 2180 ° : .00367 ) ; which ...
... rays received by the moon were reflected back , and that the earth was absolutely without heat , that the effect of this reflection would be found to be .00367 of a degree ( for 240,000 × 2 : 178 ° :: 2180 ° : .00367 ) ; which ...
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acid æra animals appear birds body bone botany branches called caloric calyx canal capsule carbon carbonic acid cavity cetacea circle class and order clavicle cloaca clock colour combination common consists corolla court diameter distance divided dominical letter drupe equal Essential character extremely feet fishes flowers fluid four genus gravity heat Hence inches incisor insects iron Jussieu kind king's larvæ latter leaves length lime mammalia manner mastication membrane ment metal Monogynia class motion native Natural order nerally nitric acid observed oxide pendulum Pentandria person petals petrosa piece plants plate possess principal produced proportion quadrupeds quantity racter rays Rixdollar round seeds side sometimes species specific gravity stomach stone structure substance supposed surface teeth temperature thick tion tooth tree tube ture uric acid uterus vessels weight wheel whole