HAD p.
See Have. Had as lief, Had rather, Had better, Had as soon, etc., with a nominative and followed by the infinitive without to, are well established idiomatic forms. The original construction was that of the dative with forms of be, followed by the infinitive. See Had better, under Better. And lever me is be pore and tr…
HYGROMETER n.
g poured on the muslin, the black ball, cooled by the evaporation of the ether within, is soon covered with dew; at this moment, the inclosed thermometer gives the dew-point, and this, compared with the reading of one in the air, determines the humidity.