Hawkins’ Dictionary,_$3.50_

=+THIS volume is the most useful book in Mechanical Literature.+=

If constantly referred to will enable the student to acquire a correct

knowledge of the words, terms and phrases in use in Mechanical

Engineering and its various branches.

=+Its greatest value lies in this:+= that no man representing the

mechanical profession can find excuse for not knowing the use and

meaning of the terms used in his work.

=+HAWKINS’ MECHANICAL DICTIONARY+= explains and defines in plain

language the use of all words and terms now used or heretofore used in

the =+Mechanic Arts, Trades and Sciences+=.

=+It is an unequaled reference work+=, and is the one book of permanent

value no student or expert should dispense with. Complete from A to Z.

Highly endorsed.

[Illustration:

Maxims and Instructions for the Boiler Room Useful to Engineers, Firemen & Mechanics; Relating to Steam Generators, Pumps, Appliances, Steam Heating, Practical Plumbing, etc. · 第 325 / 328 题