The specific heat of platinum in the temperature range 1200 to 1900 K has been measured by a temperature modulation method. In this, the light emitted by a specimen of 50 μm diameter wire heated by superimposed ac and dc was used to study the temperature modulation. The modulation frequencies used (100 to 1000 Hz) are significantly higher than the frequencies (30 Hz) used in previous studies, and the absence of any detectable frequency dependence of the specific heat is interpreted as showing that the vacancy contribution to the specific heat is less than 1% in the temperature range covered. The observed upward curvature of the graph of specific heat against temperature is interpreted as an effect due to the lattice specific heat. A comparison of the specific heats measured by emitted light and electrical resistance modulation methods is made, and the differences between them (≈︁5 to 10%) are interpreted as an effect of vacancy relaxation on the temperature coefficient of resistance. The results indicate that, under the conditions of modulation experiments, internal vacancy source/sinks operate at less than ideal efficiency.
Simple race games, played with dice and without choice of move, are known from antiquity. In the late 16th century, specific examples of this class of game emerged from Italy and spread rapidly into other countries of Europe. Pre-eminent was the Game of the Goose, which spawned thousands of variants over the succeeding centuries to the present day, including educational, polemical and promotional variants.
The Game of the Goose is one of the oldest printed board games, dating back 400 years. It has spawned thousands of derivatives: simple race games, played with dice, on themes that mirror much of human activity. Its legacy can be traced in games of education, advertising and polemic, as well as in those of amusement and gambling - and games on new themes are still being developed. This book, by the leading international collector of the genre, is devoted to showing why the Game of the Goose is special and why it can lay claim to being the most influential of any printed game in the cultural history of Europe. Detailed study of the games reveals their historical provenance and - reversing the process - gives unusual insights into the cultures which produced them. They therefore provide rich sources for the cultural historian. This book is beautifully illustrated with more than 90 illustrations, many in color, which are integrated throughout the text.
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