Fig. 398. Citric Acid Manufactory.

a, a, a. Casks of Lemon Juice.
b. Wooden Vat for saturating the juice with chalk.
c, c. Copper Pumps.
d. Decomposing Tub for the citrate of lime and sulphuric acid.
e. Leaden boiler.
f, f. Finishing Leaden Boilers.
g. Crystallizing Pans.
h. Leaden Siphon for running off the waste liquor from the vat b.
i. Chemical Tests.
k. Movavle Strainer for clearing the motehr liquors.

This image is from _ in Pereira's Elements of Materia Medica and Therapeutics, 1854.