Drilling with the
Rope.--XXIX., Hydraulic Boring with the Drill by Hand and Steam
Power.--XXX., Rotary Drilling of Oil Wells, Bits, Steel-crowned Tools,
Diamond Tools--Hand Power and Steam Power--Hydraulic
Sand-pumping.--XXXI., Improvements in and different Systems of Drilling
Oil Wells.

Part IV., =Accidents.=--Chapters XXXII., Boring Accidents--Methods of
preventing them--Methods of remedying them.--XXXIII., Explosives and the
use of the "Torpedo" Levigation.--XXXIV., Storing and Transport of
Petroleum.--XXXV., General Advice--Prospecting, Management and carrying
on of Petroleum Boring Operations.

Part V., =General Data.=--=Customary Formulae.=--Memento. Practical
Part. General Data bearing on Petroleum.--Glossary or Technical Terms
used in the Petroleum Industry.--Copious Index.

* * * * *

=A DICTIONARY OF CHEMICALS AND RAW PRODUCTS USED IN THE MANUFACTURE OF
PAINTS, COLOURS, VARNISHES AND ALLIED PREPARATIONS.= By GEORGE H. HURST,
F.C.S. Demy 8vo. 380 pp. 1901. Price 7s. 6d.; India and Colonies, 8s.;
Other Countries, 8s. 6d.; strictly net.

=Contents.=

The names of the Chemicals and Raw Products are arranged in alphabetical
order, and the description of each varies in length from half to eight
pages. The following are some of the articles described and explained:
Acetates--Acetic Acid--Acidimetry--Alcohol--Alum--Ammonia--Amber--Animi--
Arsenic--Beeswax--Benzol--Bichromates of Potash and Soda--Bleaching
Powder--Bone Black--Boric Acid--Brunswick Green--Cadmium
Yellow--Carbonates--Carmine--Carnauba Wax--Caustic Potash and
Soda--Chrome Colours--Clay--Coal Tar Colours--Copal--Dammar--Drying
Oils--Emerald Green--Gamboge--Glue--Glycerine--Gums--Gypsum--Indian
Red--Japanese Lacquer--Lac--Lakes--Lamp Black--Lead Compounds--Linseed
Oil--Magnesia--Manganese Compounds--Mica--Nitric Acid--Ochres--Orange
Lead--Orr's White--Paraffin--Prussian Blue--Rosin
Oil--Sepia--Sienna--Smalts--Sodium Carbonate--Sublimed White
Lead--Sulphuric Acid--Terra Verte--Testing
Pigments--Turpentine--Ultramarine--Umbers--Vermilionettes--White
Lead--Whiting--Zinc Compounds.--Appendix: Comparison of Baume Hydrometer
and Specific Gravity for Liquids Lighter than Water--Hydrometer Table
for Liquids Heavier than Water--Comparison of Temperature
Degrees--Tables for Converting French Metric Weights and Measures into
English--Table of the Elements--etc., etc.--Copious Index.

=Press Opinions.=

"This treatise wi