Knowledge and Inventions 



in the middle of the night and disturbing the 

 whole family?" 



I simply reminded him of the permission he 

 had freely granted me to get up as early as I 

 wished. 



"I kncm it," he said, in an almost agonized 

 tone of voice, "I knavo I gave you that miser- 

 able permission, but I never imagined that you 

 would get up in the middle of the night." 



To this I cautiously made no reply, but con- 

 tinued to listen for the heavenly one-o'clock 

 call, and it never failed. 



After completing my self-setting sawmill I 

 dammed one of the streams in the meadow and 

 put the mill in operation. This invention was 

 speedily followed by a lot of others, — water- 

 wheels, curious doorlocks and latches, thermo- 

 meters, hygrometers, pyrometers, clocks, a 

 barometer, an automatic contrivance for feed- 

 ing the horses at any required hour, a lamp- 

 lighter and fire-lighter, an early-or-late-rising 

 machine, and so forth. 



After the sawmill was proved and discharged 

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