Typographical errors corrected in text:
Page 282: not fastened in its groove in cannot be hurled." changed to "not fastened in its groove it cannot be hurled."
Page 286: Sabotinsky replaced with Sabotnisky.
Typographical errors corrected in text:
Page 282: not fastened in its groove in cannot be hurled." changed to "not fastened in its groove it cannot be hurled."
Page 286: Sabotinsky replaced with Sabotnisky.