31 agos 1939 año - Jack Harding's Quest - Douglass Valder Duff
Descripción:
 a Lost World story set in the Middle East, where a Lost Tribe of Israel has been hoarding the Seven Horns of Joshua; the eponymous young protagonist, with the aid of some scientific boffins, establishes the reality of the Horns, which have the effect of disrupting matter at the molecular level. This effect is acoustically recorded; and the Horns are then unilaterally destroyed by the British, to keep the secret from the German foe. The Lost Tribe knuckles under. 
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31 agos 1939 año
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 ~ 86 years ago