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 35
... air - box do not greatly exceed in dimensions the amount of all the crevices by which cold air can enter the room , they will not considerably prevent , as they were intended to do , the entry of cold air through these crevices ...
... air - box do not greatly exceed in dimensions the amount of all the crevices by which cold air can enter the room , they will not considerably prevent , as they were intended to do , the entry of cold air through these crevices ...
Seite 43
... air is required to supply that , and therefore not much rushes in at ... air around it , which , being rarefied , rises to the ceiling , and its place is supplied by the lower air of the room ... box , one PENNSYLVANIAN FIRE - PLACES . 43.
... air is required to supply that , and therefore not much rushes in at ... air around it , which , being rarefied , rises to the ceiling , and its place is supplied by the lower air of the room ... box , one PENNSYLVANIAN FIRE - PLACES . 43.
Seite 44
... box , one side want- ing . It is composed of five iron plates , screwed togeth- er , and fixed so as that you may ... air comes in at any crevice , because there is no discharge of air which it might supply , there being no passage into ...
... box , one side want- ing . It is composed of five iron plates , screwed togeth- er , and fixed so as that you may ... air comes in at any crevice , because there is no discharge of air which it might supply , there being no passage into ...
Seite 45
... air - hole , a a , through which the fresh outward air passes up into the air - box ; and three smoke - holes , B , C , through which the smoke descends and passes away ; all represented by dark squares . It has also double ledges to ...
... air - hole , a a , through which the fresh outward air passes up into the air - box ; and three smoke - holes , B , C , through which the smoke descends and passes away ; all represented by dark squares . It has also double ledges to ...
Seite 46
... air - box ; and an oblong air - hole near the top , through which is discharged into the room the air warmed in the air - box . Each has also a wing or brack- et , H and I , to keep in falling brands , coals , & c . , and a small hole ...
... air - box ; and an oblong air - hole near the top , through which is discharged into the room the air warmed in the air - box . Each has also a wing or brack- et , H and I , to keep in falling brands , coals , & c . , and a small hole ...
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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