Servicing projection equipment (1932)

Record Details:

Title:
Servicing projection equipment
Date:
1932
Publisher:
New York : Mancall Publishing Corp.
Volume:
Servicing projection equipment
Leaf #:
000167
Language:
English
Subjects:
Motion Pictures, Motion Picture Technology
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
August 15, 2024
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FORMULAS 151 other ; also multiply one denominator by the other ; then, if possible to reduce the resulting fraction to lower terms, do so. To Divide a Fraction by a Whole Number : Divide the numerator or fby the whole number Multiply the denominator J To Divide a Fraction by a Fraction : Reverse top and bottom numerals of divisor and then multiply one numerator by the other and one denominator by the other. MENSURATION FORMULAS To Find Area of a Circle: Multiply square of diameter by .7854 (To square a number, multiply it by itself.) To Find Circumference of a Circle : Multiply diameter by 3.1416. To Find Diameter of a Circle : Multiply circumference by .31831. To Find Side of an Equal Square: Multiply diameter by .8862. To Find Area of Triangle : Multiply base by one-half of Altitude. To Find Surface of a Sphere : Four times the radius squared, multiplied by 3.1416.