The gradual reduction in the value of property due to the normal progress of the art in which the property is used, or to the ... either tangible or intangible, which fradually approaches a point where its usefulness in the trade or usiness is exhausted. ... The rate of depreciation will necessarily depend upon the construction of the building, purpose for which used, climatic conditions, repairs made, etc. A frameanbsp;...
|Title||:||Manual for the oil and gas industry under the Revenue Act of 1918|
|Author||:||United States. Bureau of Internal Revenue|