But as he was unacquainted with the law of the velocities of running water as depending upon the depth of the orifice, the want of precision which appears in his results is not surprising.
When mushrooms are gathered for sale by persons unacquainted with the different species mistakes are of frequent occurrence.
Yet the Newspapers Japanese were not entirely unacquainted with and journalism.
The great navigator and his crew, unacquainted with the character of the Australian aborigines, were not a little astonished that these natives took no notice of them or their proceedings.
On a sufficient acquaintance with the work this would probably have revealed the essential nature of the instrument to a hearer unacquainted with technicalities, and revealed it rather as a characteristic than as a limitation.