not able rightly to conceive of this admirable opifice of God

The voltage between the wires is too low to produce a spark.

Hertzian contact stress

This enfranchisement of the negro is the last of a series of extensions of the suffrage which began in the colonial period, and have ended by nominally conferring political supremacy in some states upon those whose former status as slaves leaves them illiterates and non-taxpayers, unhabituated to the obedience of law.