The Glasgow Mechanics' Magazine; and Annals of Philosophy, Volumen41825 |
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Página 23
... centre of an horizontal needle , at right angles to the meridian , and making an angle with the horizon equal to the dip ; then , if the plane of a circular plate of iron coincide with this plane , and the plate be fixed on an axis ...
... centre of an horizontal needle , at right angles to the meridian , and making an angle with the horizon equal to the dip ; then , if the plane of a circular plate of iron coincide with this plane , and the plate be fixed on an axis ...
Página 35
... centre , at right angles , to form a handle , which comes through a hole made in the bottom of the fire - door , and is long enough for a man to use with both hands , so that he can either push from , or pull towards him , to man- age ...
... centre , at right angles , to form a handle , which comes through a hole made in the bottom of the fire - door , and is long enough for a man to use with both hands , so that he can either push from , or pull towards him , to man- age ...
Página 48
... centre until they form but a single body . From that time the substance acquires a degree of consistence , and before the thirti- eth day , is as thick as about twenty - two millimetres and a half . In this state it is taken out of the ...
... centre until they form but a single body . From that time the substance acquires a degree of consistence , and before the thirti- eth day , is as thick as about twenty - two millimetres and a half . In this state it is taken out of the ...
Página 54
... centre of gravity . Fig . 2 is called the Crochet ( the hook . ) The workman uses it with his left hand to gather the quantity of corn he intends to cut , to sup- port it when he is cutting , and lay it afterwards behind him . This hook ...
... centre of gravity . Fig . 2 is called the Crochet ( the hook . ) The workman uses it with his left hand to gather the quantity of corn he intends to cut , to sup- port it when he is cutting , and lay it afterwards behind him . This hook ...
Página 57
... centre of that island , devoted , of yore , under the symbol of the cross , to the safety of every Christian flag , the British Empire enforces from the Barbary States that respect which they pay to no other power . From the foot of the ...
... centre of that island , devoted , of yore , under the symbol of the cross , to the safety of every Christian flag , the British Empire enforces from the Barbary States that respect which they pay to no other power . From the foot of the ...
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acid alkali ammonia animal apparatus appear arts atomic atomic weight axle beautiful Blantyre bleaching boat body boiler boiling bottom carbon carbonic acid cause centre chlorine colour common constructed contain copper cubic inches cylinder diameter earth Edingtonite effect engine equal ergot experiments eyes feet fire fluid furnace GLASGOW MECHANICS glass grains heat hydrogen improvement Institution invention iron JAMES RENNIE labour lectures length lever lime liquor machine MAGAZINE manganese manner means ment metal method mode motion muriatic muriatic acid nature nitric acid object observed obtained oxide oxygen pass Philosophy piece pipe piston plate potash present produced proportion prussic acid pump purpose quantity render salt side Society soda solution specific gravity steam substance sulphuric sulphuric acid surface temperature thick Thomson's tion Trongate tube vapour vessel volume W. R. M'PHUN weight wheel whole wood