THERMOS BOTTLE 



5788 



THESSALONIANS 



Greece, subhead The Persian Wars 



Period of Glory Sparta 



Leonidas Xerxes 



THER'MOS BOTTLE, a device for keeping 

 substances either hot or cold. It is based on 

 the principle that heat is transferred by the 

 process of conduction, and that placing a non- 

 conducting body next to a substance causes 

 that substance to retain its heat or prevents 

 outside heat from reaching it. 



The thermos bottle consists of a double glass 

 container enclosed in a metal case. The inner 

 glass vessel is fused to the outer after the air 

 between them has been thoroughly exhausted, 

 and the vacuum thus created acts as a noncon- 

 ductor. Hot liquids poured into the container 

 keep hot because heat cannot flow out across 

 the vacuum, and cold liquids remain cold be- 

 cause outside heat cannot reach them. A cork 

 closes the mouth of the bottle, and a screw cap 

 seals the opening of the metal case. In the 

 bottom of the case there is a spring upon which 

 the container rests. 



Theoretically, the contents of the bottle 

 should remain hot or cold, as the case may be, 

 indefinitely, but practically the limit of tem- 

 perature stability is not more than twenty-four 

 hours. Automobile tourists and picnickers find 

 the thermos bottle a great convenience. The 

 various patterns, which are marketed under dif- 

 ferent trade names, sell for $1.25 to 5. 



TPIESEUM, the'seum; among the Greeks, 

 the name given to any temple erected in honor 

 of Theseus. A particularly celebrated one 

 which existed in Athens in ancient times con- 

 tained what was supposed to be the body of 



THE THESEUM 



Theseus, and was ornamented with paintings 

 and sculptures showing his deeds. No trace of 

 it remains, and its exact site is uncertain. 

 There still exists, however, a famous and beau- 

 tiful structure which is called the Theseum, 

 though it was undoubtedly a temple to some 

 godi This, it is true, bears sculptures showing 

 scenes from the Lfe of Theseus, but it has an 

 equal number from the life of Hercules. This 

 temple, the best preserved in Greece, is of Pen- 



telic marble, in the Doric style, and stands at 

 the foot of the Acropolis. The interior to-day 

 bears little resemblance to that of a typical 

 Greek temple, for it was changed many cen- 

 turies ago when the building was used as a 

 Christian church. 



THESEUS, the' sens, a famous legendary 

 king of Athens, whose marvelous exploits 

 formed themes for Grecian poets, and whose 

 wise and benevolent rule established the origi- 

 nal power of Athens. He was the son of 

 Aegeus and Aethra, and was brought up in se- 

 clusion by his mother until he became a man. 

 Then he removed the heavy stone which his 

 father had placed over the sword and sandals 

 by which he was to recognize his son, took his 

 legacy and proceeded to Athens. Arrived there, 

 he found his father much under the influence of 

 his wife Medea, who when she saw Theseus rec- 

 ognized as heir to the king, tried to poison him. 

 Upon the failure of her attempt she fled in her 

 dragon car to Media, never to return. 



When Theseus learned of the terrible tribute 

 Athens was compelled to pay to Minos, king of 

 Crete, he volunteered to go as part of the 

 sacrifice for that year and, if possible, to kill the 

 Minotaur, whose savage lust for human flesh 

 had to be gratified. Aegeus pleaded in vain, 

 and Theseus set sail in the black-sailed vessel 

 for Crete. He killed the Minotaur, with the aid 

 of Ariadne, the king's daughter, and with her 

 and his joyous companions set sail for Greece. 

 As a punishment for his crime in deserting Ari- 

 adne on the return home, Theseus was made to 

 forget to change his vessel's sails from black to 

 white, the agreed sign of the success of his 

 expedition, and in consequence suffered the loss 

 of his father, who killed himself. 



On his arrival at Athens he was proclaimed 

 king and entered at once on the beneficent 

 policy which made the city great. After years 

 of prosperous rule, however, he became cruel 

 and overbearing, and was driven by his people 

 into exile. Too late they realized how great a 

 man he had been; and they brought back his 

 remains to the city and buried them in a beau- 

 tiful temple where the hero was worshiped as a 

 god. 



Consult Harrison's Mythology and Monuments 

 of Ancient Athens. 



Related Subjects. The reader is referred to 

 the following articles in these volumes : 

 Ariadne Minos 



Athens Minotaur 



THESSALONIANS, thes alo'ni anz, EPISTLES 

 TO THE, two New Testament epistles written by 



