Scales and balances : a guide to collecting
著者
書誌事項
Scales and balances : a guide to collecting
（Shire album, 55）
Shire, 1993
3rd ed / revised by Maurice Stevenson
- : pbk
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注記
Includes bibliographical references (p. 32)
内容説明・目次
- 巻冊次
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ISBN 9780747802266
内容説明
Weights and measures being small antique objects with a background of great interest, have become an ideal and popular subject for the collector. The story of how they came to be used and developed is a long and fascinating one and this book not only tells that story but provides much information for collectors. In addition to their history, the book explains the reasons for the shapes, sizes and materials in which weights and measures are found. It also considers the legal controls exercised over the use of weights and measures and how these add to the interest of collecting. The many illustrations of verification stamps will assist collectors to identify and perhaps date examples in their own collection.
目次
Weights: how our systems started Sizes and shapesof weights Interesting marks on weights Weights for testing weights Measures: materials and shapes Pitfalls for the collector Verification marks Further reading Places to visit
- 巻冊次
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: pbk ISBN 9780747802273
内容説明
When prehistoric man picked up his first stone he would not appreciate that its weight was due to the effect of gravity on its mass. Soon, though, he would learn that large objects were sometimes lighter than smaller ones and that he would need an aid to help compare weights and values. Today, we accept weighing as part of everyday life, using its principles as measures of our idea of justice, but giving methods of weighing little thought. Weighing, however, is an ancient art, which has exercised the minds of philosophers, scientists, engineers and even the dishonest for at least 6000 years. This book shows how men strove to produce a machine which would compare more accurately, or more quickly, or would meet a special need or perhaps sell even more cheaply. With the aid of many illustrations and non-technical language, some essential knowledge of the principles of weighing is provided.
目次
Glossary Origins Development of the beamscale Collecting beamscales Balances Steelyards Counter machines Letter scales Money scales Spring balances Further reading Places to visit
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