1.--Photometry (58 pages.) 2.--The table photometer and Photometer Room (38 pages.) 3.--Standard of Light (32 pages.) 4.--Calorimetry and Specific Gravity, with a note on Mond Gas (48 pages.) 5.--The Referees' Test for Sulphur and Ammonia in Gas (28 pages.) 6.--Coal Testing (22 pages.) 7.--Testing Enrichment and Purification Materials (33 pages.) 8.--Purity Tests for Gas in the Various Stages of its Manufacture (43 pages.) 9.--Testing Bye-products (35 pages.) 10.--Technical Gas Analysis (63 pages.) 11.--Meter-Testing Apparatus (48 pages.) 12.--Meter and Governor Testing (34 pages.) Appendix. Data, Tables, FormulÊ, etc., (38 pages). And very complete Contents, Index and List of Illustrations, and Tables, &c. &c. XV+560 pages, 5-1/2 ◊ 8-1/2 in., 93 illustrations and 9 folding plates. =Bound in Handsome Half Leather - $6.50 [++]= * * * * * The Design and Construction OF OIL ENGINES. WITH FULL DIRECTIONS FOR Erecting, Testing, Installing, Running and Repairing. Including descriptions of American and English KEROSENE OIL ENGINES. By A. H. GOLDINGHAM, M.E. SYNOPSIS OF CONTENTS OF CHAPTERS: 1. Introductory; classification of oil engines; vaporizers; ignition and spraying devices; different cycles of valve movements. 2. On design and construction of oil engines; cylinders; crankshafts; connecting rods; piston and piston rings; fly-wheels; air and exhaust cams, valves and valve boxes; bearings; valve mechanism, gearing and levers; proportions of engine frames; oil-tank and filter; oil supply pipes; different types of oil engines; cylinders made in more than one piece; single cylinder and double cylinder engines; crankpin dimensions; fitting parts; assembling of oil engine; testing water jackets, joints, etc. 3. Testing for leaks, faults, power, efficiency, combustion, compression; defects as shown by indicator; diagrams for setting valves; how to correct faults; indicator fully described; fuel consumption test, etc. 4. Cooling water tanks; capacity of tanks; source of water supply; system of circulation; water pump; exhaust silencers; self starters; utilization of waste heat of exhaust. 5. Oil engines driving dynamo; installation of plant; direct and belt connected; belts; power for electric lighting; loss of power. 6. Oil engines driving air compressors; direct connected and geared; table of pressures; pumping outfits; oil engines driving ice and refrigeration outfits. 7. Full instructions for running different kinds of oil engines. 8. Hints on repairs; adjustment of crank-shaft and connecting rod bearing; testing oil inlet valves and pump, fitting new spur gears, etc. 9. General descriptions with illustrations of American and English oil