    » Sentence 4 Leaving the British official whe   | twice searched his luggage none the wiser,  he managed by meticulous observation to  Memorize the Principal features of the  Power loom well enough to produce his  Own version of t on his return to Boston,    Sentence 2. |. failed at retaining the    information in his head but managed to  build a Tough prototype of the power loom  anyway.