The Works of Benjamin Franklin: Containing Several Political and Historical Tracts Not Included in Any Former Edition, and Many Letters, Official and Private, Not Hitherto Published; with Notes and a Life of the Author, Band 6Whittemore, Niles, and Hall, 1856 |
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Seite 36
... air and fire , viz . 1. Air is rarefied by heat , and condensed by cold , that is , the same quantity of air takes up more space when warm than when cold . This may be shown by several very easy experiments . Take any clear glass bottle ...
... air and fire , viz . 1. Air is rarefied by heat , and condensed by cold , that is , the same quantity of air takes up more space when warm than when cold . This may be shown by several very easy experiments . Take any clear glass bottle ...
Seite 38
... air , heated by the rays shot round on every side . These things being understood , we proceed to con- sider the ... warm seats , one in each corner ; they are sometimes too hot to abide in , and , at other times , incommoded with the ...
... air , heated by the rays shot round on every side . These things being understood , we proceed to con- sider the ... warm seats , one in each corner ; they are sometimes too hot to abide in , and , at other times , incommoded with the ...
Seite 39
... air , which occasions what is called a strong draft to the chimney , without which strong draft the smoke would come ... warm a room with such a fire- place ; and I suppose our ancestors never thought of warming rooms to sit in ; all they ...
... air , which occasions what is called a strong draft to the chimney , without which strong draft the smoke would come ... warm a room with such a fire- place ; and I suppose our ancestors never thought of warming rooms to sit in ; all they ...
Seite 40
... air does not strike so sharply against any particular part of the body . The Spaniards have a proverbial saying ... warm air always arising therein absolutely forbids it ; the supply must therefore come in wherever other openings is done ...
... air does not strike so sharply against any particular part of the body . The Spaniards have a proverbial saying ... warm air always arising therein absolutely forbids it ; the supply must therefore come in wherever other openings is done ...
Seite 42
... air in those cavities , which is continually coming into the room fresh and warm . The invention was very ingenious , and had many conveniences ; the room was warmed in all parts , by the air flowing into it through the heated cavities ; ...
... air in those cavities , which is continually coming into the room fresh and warm . The invention was very ingenious , and had many conveniences ; the room was warmed in all parts , by the air flowing into it through the heated cavities ; ...
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air-box appear ascending body CADWALLADER COLDEN carried cause celerity chimney cloud coals cold air Collinson common condensed continually DEAR SIR degree descending diameter distance earth EDITOR effect electricity England equal experiments fire fire-place flame flue fluid force FRANKLIN funnel give glass heat hollow inches ingenious iron JAMES BOWDOIN JARED ELIOT JOHN PERKINS JOSEPH PRIESTLEY kind letter light London magic squares matter mentioned mercury moisture motion move obliged observed occasion paper particles pass passage perhaps perspirable Philadelphia Philosophical piece pleasure present printed quantity rarefied received red clover rise river round Royal Society salt ship side Sir John Pringle smoke sound specific gravity spout stove suppose surface thing tion Transit of Mercury transit of Venus upper uuld vapor vessel warm air water-spouts weight whirl whirlwind wind wood