TABLE OF CONTENTS | A or a | Area, acre |
| AWG | American Wire Gauge |
| B or b | Breadth |
| bbl | Barrels |
| bhp | Brake horsepower |
| BM | Board measure |
| Btu | British thermal units |
| BWG | Birmingham Wire Gauge |
| B & S | Brown and Sharpe Wire Gauge (American Wire Gauge) |
| C of g | Center of gravity |
| cond | Condensing |
| cu | Cubic |
| cyl | Cylinder |
| D or d | Depth, diameter |
| dr | Dram |
| evap | Evaporation |
| F | Coefficient of friction; Fahrenheit |
| F or f | Force, factor of safety |
| ft (or ?) | Foot |
| ft lb | Foot pound |
| fur | Furlong |
| gal | Gallon |
| gi | Gill |
| ha | Hectare |
| H or h | Height, head of water |
| HP | horsepower |
| IHP | Indicated horsepower |
| in (or ?) | Inch |
| L or 1 | Length |
| lb | Pound |
| lb/sq in. | Pounds per square inch |
| mi | Mile |
| o.d. | Outside diameter (pipes) |
| oz | Ounces |
| pt | Pint |
| P or p | Pressure, load |
| psi | Pounds per square inch |
| R or r | Radius |
| rpm | Revolutions per minute |
| sq ft | Square foot |
| sq in. | Square inch |
| sq yd | Square yard |
| T or t | Thickness, temperature |
| temp | Temperature |
| V or v | Velocity |
| vol | Volume |
| W or w | Weight |
| W.I. | Wrought iron |
| Circumference of a circle= ? diameter or 3.1416 diameter Diameter of a circle=circumference 0.31831 Area of a square=length width Area of a rectangle=length width Area of a parallelogram=base perpendicular height Area of a triangle=1/2 base perpendicular height Area of a circle= ? radius squared or diameter squared 0.7854 Area of an ellipse=length width 0.7854 Volume of a cube or rectangular prism=length width height Volume of a triangular prism=area of triangle length Volume of a sphere=diameter cubed 0.5236 (diameter diameter diameter 0.5236) Volume... |
