Gas Superintendent's Pocket Companion for the Year 18661866 - 103 sider |
Vanlige uttrykk og setninger
66 inches accuracy area of base area of circle Big Sandy River Bituminous Coals blue lias Brass bricks burners bushel candles Cannel coal Carbonized cast Cast-Iron chord Circum Clay Retorts Coal Beds Coal Gas coke Copper Creek cube cubic feet cubic foot cubic yard DAY OF WEEK Designation of Coal Diam Diameter of pipe dry meter Engineer Exting'h fathom feet per second flowers of sulphur foot in length Frustrum Full Moon gallons Gas Company GAS LIGHT GAS METER gas-holder hand HARRIS & BROS HARRIS & BROTHER Haswell heat Hemp holder hydrogen leak manufacture MEMORANDUM meter prover mixed Mortar Multiply ounces paste with water perpendicular height Philadelphia Gas Pine Pipes in lbs pounds PUBLIC LAMPS red lead River Safe Weight sal ammoniac sand side Specific Gravity square inch square root STRENGTH OF MATERIALS surface tested velocity Volatile Matter wet meters Wire
Populære avsnitt
Side 3 - In the year 1887 there will be four eclipses, two of the Sun and two of the Moon. I. — A Partial Eclipse of the Moon, February 7-8, visible at Washington and also in the Pacific Ocean and part of Asia.
Side 58 - From half the sum of the three sides subtract each side separately. Multiply the half sum and the three remainders together, and extract the square root of the product. EXAMPLES. 1. What is the area of a triangle whose sides are respectively 30, 40, and 50 feet ? 30 + 40 + 50 = 120.
Side 84 - Cement (Slowly Setting). — 2 sal-ammoniac, 1 flour of sulphur, 200 iron borings. The latter cement is the best if the joint is not required for immediate use. Red Lead Cement for Face Joints. — 1 of white lead, 1 of red lead, mixed with linseed oil to the proper consistency.
Side 59 - RULE. Add into one sum, 39 times the square of the bung diameter, 25 times the square of the head diameter, and 26 times the product of the two diameters ; then multiply the sum by the length, and the product again by -000311 for the content in gallons.
Side 82 - Q = Quantity of gas in cubic feet per hour. L = Length of pipe in yards. D = Diameter of pipe in inches. G = Specific gravity of gas. Q = 1350 /) 2 y/ D=.056y/^ HXD LXG
Side 57 - Fif . 48. A Tangent is a straight line which touches the circumference but does not intersect it. The point where the tangent touches the circle is called the Point of Tangency. Two Circumferences are tangent to each other when they are tangent...
Side 57 - Divide the square of half the chord by the versed sine, and to the product add the versed sine.
Side 85 - H = P x 2-31. Pressure per square foot = H x 62-4. Cubic feet of water x '557 = Cwt. approximately. „ x -028 = Tons „ i Cubic foot of sea water = 64' 14 Ibs. Weight of sea water = weight of fresh water x 1-028. Delivery of Water in Pipes. D = Diameter of pipe in inches. H = Head of water in feet.
Side 58 - SEGMENT OF A CIRCLE. — Find the area of a sector of a circle having the same arc, and deduct the triangle formed between the two radii and the chord of the arc.
Side 50 - No. Squares Cubes Square Roots Cube Roots 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44...