Chapter V: CIVIL ENGINEERING.--Test of a Wrought Iron Double Track Floor

Beam.--By ALFRED P. BOLLER.--A test pushed to actual rupture of
a full-sized member of a bridge.--1 illustration. 10344

Timber and Some of its Diseases.--By H. MARSHALL WARD.--Part V.
of this exhaustive treatise of the deterioration of one of the
great structural materials.--1 illustration. 10345

Improved Torpedo Boat.--1 illustration. 10348