_Facts_, should be ascertained before we attempt to account for them,
ii. 96.
_Family_ of Franklin, account of, i. 5. _et seq._
_Famine_, how provided against in China, ii. 407.
_Fanning_, how it cools, ii. 87.
_Farmers_, remonstrance in behalf of, ii. 420.
_Federal_ constitution, speech on, iii. 416.
_Felons_, transportation of, to America, highly disagreeable to the
inhabitants, iii. 235.
_Fermenting_ liquors, their steam deleterious, ii. 59.
Fire, not destroyed by water, but dispersed, i. 172.
makes air specifically lighter, 206.
exists in all bodies, 214.
common and electrical, exist together, _ibid._
a region of, above our atmosphere, 257, ii. 124.
many ways of kindling it, i. 356.
exists in a solid or quiescent state in substances, _ibid._ ii. 80,
122.
recovers its fluidity by combustion, _ibid._
is a fluid permeating all bodies, 76.
conductors of, are also best conductors of the electric fluid, _ibid._
difference between, and electrical conductors, 77.
how diffused through substances, 78.
how generated in animated bodies, 79.
theory of, 122.
a fixed and permanent quantity of, in the universe, 123.
its properties, 227.
electrical, see _Electrical_.
_Fire-companies_, numerous at Philadelphia, i. 103.
_Fire-places_, Pensylvanian, account of, ii. 225.
large and open, inconvenient, 228.
hollow backed, by Gauger, 232.
Staffordshire, 285.
an ingenious one for serving two rooms, 296.
_Fires_, at sea, how often produced, ii. 174.
great and bright, damage the eyes and skin, 230.
_Fisheries_, value of those of Newfoundland, iii. 452.
_Flame_, preserves bodies from being consumed while surrounding them,
ii. 310, 311.
_Flaxseed_, amount of the exportation of from America to Ireland,
iii. 270.
_Flesh_, of animals, made tender by lightning and by electricity, i. 359,
414.
_Flies_, drowned in America, brought to life in England, ii. 223.
_Flood_ and ebb, explanation of the terms, ii. 100.
_Florence_ flask, when filled with boiling water, not chargeable with
electricity, i. 332, 345.
_Fog_, great, in 1783, ii. 68.
conjectures as to its cause, _ibid._
_Fogs_, how supported in air, ii. 5.
electricity of, in Ireland, i. 405.
_Folger_, family-name of Franklin's mother, i. 8.
_Foreigners_, the importation of, not necessary to fill up occasional
vacancies in population, ii. 390.
_Forts_ in the back settlements, not approved of, iii. 99.
_Foster_, judge, notes on his argument for the impress of seamen, ii. 437.
_Foundering_ at sea, accidents that occasion it, ii. 169, 170.
_Fountain_, when electrified, its stream separates, i. 206.
_Fowls_, improperly treated at sea, ii. 193.
_Fragments_, political, ii. 411.
_France_, its air moister than that of America, ii. 140.
effects of its military manners, 399.
_Franklin_, derivation of the name, i. 4.
genealogy of the family of, 5.
_Franks_, the improper use of, reprobated, ii. 435.
_Freezing_ to death in summer, possibility of, ii. 84.
_French_ language, its general use, ii. 353.
_Frontiers_, in America, the attack of, the common cause of the state,
iii. 109.
_Frugality_, advantages of, ii. 397.
observance of, in America, iii. 374
_Fruit-walls_, blacking them recommended, ii. 110.
_Fuel_, scarce in Philadelphia, ii. 225.
_Fulling-mills_ in America, iii. 270.
_Fusion_, cold, of metals, supposed, i. 215.
proves a mistake, 339.
error respecting it acknowledged, 355.