KRAYER—The Use and Care of a Balance. Small 12mo. Pages IV + 42. 18 Illustrations.

LANDOLT—The Optical Rotating Power of Organic Substances and Its Practical Applications. 8vo. Pages XXI + 751. 83 Illustrations.

LEAVENWORTH—Inorganic Qualitative Chemical Analysis. 8vo. Pages VI + 153.

LE BLANC—The Production of Chromium and Its Compounds by the Aid of the Electric Current. 8vo. Pages 122.

LOCKHART—American Lubricants. 2nd Edition. 8vo. Pages XII + 341. Illustrated.

MASON—Notes on Qualitative Analysis. 8th Edition. Small 12mo. Pages 58.

MEADE—Chemists’ Pocket Manual. 12mo. 3rd Edition. Pages IV + 530. 42 Figures.

MEADE—Portland Cement. 2nd Edition. 8vo. Pages X + 512. 169 Illustrations.

MOELLER-KRAUSE—Practical Handbook for Beet-Sugar Chemists. 8vo. Pages VIII + 132. 19 Illustrations.

MOISSAN—The Electric Furnace. 2nd Edition. 8vo. Pages XVI + 313. 42 Illustrations.