Size 17 × 22 inches, printed in blue ink, with heavy inch lines and half inch lines. Per quire (24 sheets), 75c.
THE ELECTRICIAN’S SKETCHING PAD.
Size 8 × 10. Scale 10 to 1 in. Price 25c. each. Per dozen, $2.50.
THE ELECTRICIAN’S SKETCHING BOOK.
Made from this paper. Scale 10 to 1 inch. Size of book 5 × 8 inches, with stiff board covers. Price, 25c. each; per dozen, $2.50.
Any quantity mailed to any part of the world on receipt of price.
Or Books and Pads Assorted, per dozen, $2.50.
This paper is not ruled. Try it and you will find it
GOOD, ACCURATE AND CHEAP.
SPON & CHAMBERLAIN, 12 Cortlandt St.,
NEW YORK.
PRACTICAL HANDBOOK ON
Gas Engines
With Instructions for Care and Working of the Same.
BY G. LIECKFELD, C.E.
Translated with permission of the Author by
GEORGE RICHMOND, M.E.
WITH A CHAPTER ON OIL ENGINES
CONTENTS
Choosing and installing a gas engine. The construction of good gas engines. Examination as to workmanship, running, economy. Reliability and durability of gas engines. Proper erection of a gas engine. Foundation. Arrangement for gas pipes. Rubber bag. Locking devices. Exhaust pipes. Air pipes. Setting up gas engines. Brakes and their use in ascertaining the power of gas engines. Arrangement of a brake test. Distribution of heat in a gas engine. Attendance on gas engines. General remarks. Gas engine oil. Cylinder lubricators. Rules as to starting and stopping a gas engine. The cleaning of a gas engine. General observations and specific examination for defects. The engine refuses to work. Non-starting of the engine. Too much pressure on the gas. Water in the exhaust pot. Difficulty in starting the engine. Irregular running. Loss of power. Weak gas mixtures. Late ignition. Cracks in air inlet. Back firing. Knocking and pounding inside of engine. Dangers and precautionary measure in handling gas engines. Precautions when opening gas valves, removing piston from cylinder, examining with light openings of gas engines. Dangers in starting, cleaning, putting on belts. Oil Engines. Gas engines with producer gas. Gasoline and oil engines. Concluding remarks.