FRA 
“Royers, rent of air is forced up from the bottom, and seems to 
the water, .as it pours from the rocks: or the 
“——" bushes on their surface, and to raise’ a cloud of spray 
into the distinctly visible’ at- the distance 
of 10 or 15-miles, and not less in height than 600 or 700 
tly, on such 
ing the cataract, is pretty nearly that of porter 
Ce ee ris E coiae dal ence te 
than it flashes of the most brilliant 
many 
It is worth any person’s while who inspects 
fae and its scenery, to arent the bt ie 
, about 100 ; down the river 
Ser MaE Vis "Gil hace tos eantered the ctoosbied on 
the ity of 
attending particularly, for several morro vega Ai 
of the Fall of Foyers. alt? 
FRACTIONS. See Arczpra ARITHMETIC. 
Fraction, Greater (F), in Music, is an interval 
and so the i i Mr Mar- 
maduke Overend: its ratio in numbers is 
Ee 4,946 ,832,462,181,867,513,427,734,375 o£ 839,513 
pa 4,951,760,157,141,521,099,596,496,890° Ps eae 
concordant i 
27 4ths — 12 V—13 III, by which it might, 
ing to theory, be tuned ; above the tenor cliff C, of 
541 
FRA 
Fod+2f =6€ — P —z 
t “k =- oOo —2r—5z 
For + m-f =o —2f—9= 
=R + d —5r =e —fe—5z 
=8r-4- m— = c.f —1l0s 
=42-4- m-—% =d—f —i1lz 
=€.42f—Sy = wr —2f—l45 
_ =c + m —? = Sar SE 
=1llz+2 m—? =26—S—5z 
_ =1524-2. m—D = 3E—S—5r 
=o +R —7 =f- 3 —5= 
. 27543 m—3 Fot4+d—8c—Sz. 
=16S4+ £/ —9T =t+16S— S —9T 
=17S8+2S—10T =t+16S—S —10T 
=2t +15S—10T =2t+16S+ 5 —11T 
=T+d —9c—5z 
F-=R —5= =T+d —10c—5r 
=VIII—13 5 2F= 3 — 3f 245 
F=€ —f—5E 12F=58ce —571s—12f—41m 
= € — xy—65 
=€—f-9r 3F= f 44d 
=3€ — f—45 7F=}7R—¥ 
Fraction, Medius (d), is an interval, so named and 
marked by Dr J. W-Callcott (in the Overend MS. vol.ii. 
. , 50,000,000,000,000,000 
2°6,5*7 : 
rr =r—3 f4-m, = VIII-612—.4447360 x =, 
the error, insome cases, of its artificial comma 1 ; its 
common log. = .9997260,8915, = .000909912 x VIII, 
=.05077095 xc, = .5588795 x 2, which last is its re« 
ar value in our new notation. In tuneable intervals 
it is = 18 V4+2 VIII —17 VI, = 17 3rds4+-3 V—15 
4ths ; and above the tenor-cliff C (of 240 vib.) it beats 
15142 1’, or 15% beats in 100”, by which it may 
be ; 
Its value in all the other intervals of our Table, are 
shewn by their symbols, as follows, viz. 
nes. 7 d= 9— a = 
=F+42 = O— 4f— 95 
=€—3y = 9— fé8yx 
= c— $f—105 
d= 2+ m—3f = d— 3f—ils 
1054 m—sy = D— fe— 8x 
= 354 P—4 = r— 4h 5 
= 6247€—3 f = rm f— 8 
= 8c+ R—t = &— % 
= 9c+ R— T =2c— S— R 
=10c+ R— T = f— 2ce— By 
=S— I 8y 
d= R—2@r— = =L— J— 8x 
= R—2f—5z = S— S— 8x 
= R— r— = P—4D— £ 
= €—3f—9r = P—49—175 
= €— R = j— P— 8x 
=S€—f/ —2r ‘ 
Sey 
2d=3—7 f—242 = aa m 
= ;€—32— f 
d=} F—f =2;€+22— 
Fraction; 
