and above all the adherencé to exactly similar tneimenen cont 
The practical value of Guido’s method can ee jude after 
showed very: grave amen from the | norm, as is seen tren the followin con 
Suge Sample: xy een ee ‘Limiting Values. 2h 
Pe abo ise xeon uh te el re aes 0.854 to 0,859 nae 
Ba Note aa ay be ey woe hha ore ae + 65° to £750 : 
ap of 18t 10 per cent. of distillate 92°32" aa rae 
batt fl giegts 0 EL at ee as Ga) Oe ND a: | AAS to 157 : 
s | Acid. walue? 5 Re i ee Do Cae ee Ae 
; Ester. value 42.2) es tee ee Sie OD: 2 2 0-11 
Residue after vanbtation- i crn be Per CEnE: cece to 3.5 per cent. 
: es ee | 
The discrepancies are shown in the specific gravity, in the refraction, aa in ‘the | 3 
reoldie after evaporation, all of which are LOO, low: but’ above aly in the: fart too Soke 
ke 
o indeed in such el aden that could well exceed 50 per cent, AS es NG & ee 
- 
Re trade. in mandarin oil during recent years Sha the -mandarin crop of 1929, s 
pp. 25 and 28 of this Report. | . meee a ete . 
Orange Oil.— Since 1911, as we have Already atten reported’), chit oil is Sob in 
in large quantities” from ‘Sweet oranges in the West Indies. es find Pie ct 
fruits completely free from all spot or blemish are used, -and a pormiceutle juan 
of rejected fruit remains. These oranges of less value are artes “in SO- d pla f 
_ can peel 2 tons of oranges or 3'/2 tons of grape fruit in an eee 
oil cells ate opened, and the 1D leaves the machine in a finely divided. 
: ‘ Aisa f 
1) Cf. Report April 1913, 60; Report 1918, 2A; Report 1919, 26. — yy ges “April 
(24. — %) Bulletin 399, U. S. Dept. of Agriculture. — "2 Cf. Gildemeister a 
2nd ed., vol. Ill, p. 2. pen: fe ih 
