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205 Antiques thumb thumb thumb thumb thumb
COLLECTING COINS
There have to be 1,500 to 2,000 coins minted with an error to make a market for collectors.
Robert E. Wilhite, editor, Numismatic News, Iola, Wisconsin
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 5.0 out of 10 based on 21 reviews
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461 Exercise thumb thumb thumb thumb
INCREASING YOUR PERFORMANCE
Every hour, up to ten hours, you add to your weekly training can increase your athletic performance by 5 percent.
Ned Frederick, writer, Exeter, New Hampshire
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 4.3 out of 10 based on 17 reviews
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717 Energy thumb thumb thumb thumb thumb thumb
AIMING A SOLAR WATER HEATER
For year-round use, the slope of home hot-water solar collectors should be equal to the latitude at which they are installed.
Stephen Gibian, architect and stonemason, Ithaca, New York
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 5.7 out of 10 based on 17 reviews
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973 Computers thumb thumb thumb thumb thumb thumb
WRITING A COMPUTER PROGRAM
No good computer program can be written by more than ten people; the best programs are written by one or two people.
Phil A. Schrodt, Associate Professor, Northwestern University, Evanston, Illinois
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 6.2 out of 10 based on 27 reviews
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1229 Health thumb thumb thumb thumb thumb thumb
ESTIMATING YOUR BLOOD
You can estimate the volume of blood in your body if you know your weight. Your weight in kilograms multiplied by 0.08 equals your blood volume in liters.
Ned Frederick, writer, Exeter, New Hampshire
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 5.6 out of 10 based on 19 reviews
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1741 Durability thumb thumb thumb thumb thumb thumb
BUYING A DURABLE CAMERA
If you want a durable camera, you should buy the simplest camera in the highest price range you can justify.
Robert B. Yepson Jr., editor, The Durability Factor
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 5.5 out of 10 based on 18 reviews
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1997 Dieting thumb thumb thumb thumb thumb
DETERMINING YOUR BASAL METABOLIC RATE
Your basal metabolic rate is equal to your weight in kilograms. For example, a 60 kg (132 lb.) person burns about 60 calories per hour at rest.
Ned Frederick, writer, Exeter, New Hampshire
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 4.8 out of 10 based on 18 reviews
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2253 Running thumb thumb thumb thumb thumb
JOGGING
Jogging is difficult and painful the first six weeks, hard work for the next six weeks, and as easy as walking from then on.
Dr. Larry R. Hunt, Toronto, Ontario, Canada
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 5 out of 10 based on 15 reviews
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2509 Speaking thumb thumb thumb thumb
PREPARING A SPEECH
A good 5-minute speech requires one month's advance notice. A 15-minute speech requires a week's notice. A 1-hour speech requires no advance notice.
Dirck Z. Meengs, management consultant, Canoga Park, California
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 4.3 out of 10 based on 16 reviews
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2765 Education thumb thumb thumb thumb thumb
TEACHING A FOREIGN LANGUAGE
You need a minimum of 8 to 10 students in a class to make it economically viable to hire a teacher. However, a teacher can teach a foreign language to a maximum of 4 to 6 students at one time. Therefore, a foreign language class cannot be both economically viable and effective.
Richard Showstack, Bon Vivant, Newport Beach, CA, USA
(LR) Legacy Rule of Thumb from previously published collections
(EC) Collected by The Editors
Current Rating: 5.2 out of 10 based on 16 reviews
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3021 Boats thumb thumb thumb thumb thumb
ESTIMATING TIME & MONEY TO BUILD A BOAT
Construction of the first 50% of a home-built boat takes 90% of the initially estimated time and budget. The next 40% of the construction takes 90% of the initially estimated time and budget. The final 10% of the construction takes the remaining 90% of the time and budget. To Summarize: 50% + 40% + 10% = 270%
Geoff Webb, Inventor, Santa Fe, NM, USA
(2) Contributions from this contributor since (2008-01-09)
Current Rating: 5.4 out of 10 based on 13 reviews
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