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26 ECONOMY" OF CaANToT: Erewhile-ſobdu'd, round W1s8poM's MAigis roll'd

1118 d the dread ſnakes, and AE in burnmiſh'd

old: FZZO SEILE A 1524. x 1 A=„" 4 1 iel T lain d on ner prandilh d arm t mmorta ſhield, 17 16 17 SIG And Terror lighten d o'er the dazzled field.

T:“(> 2.“ NYMPHS!. YoVU disjoin,» unite, condenſe,

expand, And give new wonders to the Chemiſt's hand; On tepid clo uds of nifding ſteam aſpire, Or fix in ſülphur all its ne fire:

duſa, on Minerva's ſhield, as appears on other gems, has a coun- tenance diſtorted with rage or pain, and is ſuppoſed to repreſent divine vengeance. This Meduſa was one ofthe Gorgons, at firſt very beautiful and terrible to her enemies; Minerva turned her hair into ſnakes, and Perſeus hav ing cut off her head fixed it on the ſhield of that goddeſ; iE ght of which then petrified the beholders. Dannet Did.

Or fix in ſulphur. 1. 226. The phenomena of chemical ex- ploſions cannot be accounted for without the ſuppoſition, that ſome of the bodies employed contain concentrated or ſolid| heat combined with them, to which the French Chemiſts have the name of Calorique. When air IS expanded in the EE or water EuG Paten into ſteam, they drink up or abſorb a great quantity of heat; from this ai 1alogy, when gunpowder is explod- ed it tough it to abſorb much heat, that is, in popular language, it Ought to produce a great quantity of cold, When vital air is

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