Miscellanea Curio fa. 215 



57- 35- 



I. 

 I 



f>8.3i 



9 5. 



114.^ 



growing coo], when it lias a Heat 

 of 47 parts, is coagulated. 



The Heat, by wriich a Mixture 

 of 2 parts of Tin and i of Blfmuth 

 is liquefied \ as alio of 3 parts of 

 7//? and 2 of Z>^. But a Mixture 

 of 5 parts of Tin and 2 of frtfnruth 

 cooling) does with this Degree of 

 Heat become hard: And the fame 

 come to pafs in a Mixture of e- 

 qual parts of Lead and Blfmuth. 



The leaft Heat by which a Mix- 

 ture of 1 part of Blfmuth and 8 of 

 Tin is liquefied. Tin by it felf is 

 fus'd with a Heat of 72 parts, and 

 growing cold, hardens with a Heat 

 of 70 parts. 



The Heat by which Blfmuth is 

 fus'd, as alfo a Mixture of 4 parts 

 of Lead and 1 of Tin. But a Mix- 

 ture of 5 parts of Lead and 1 of 

 Tm when fus'd, and growing cold, 

 hardens with this Degree of Heat. 



The leaft Heat by which Lead 

 is melted. Lead melts with a Heat 

 of 96 or 97 parts, and growing 

 cold, hardens " with a Heat of 95 

 parts. 



The Heat .with which Fiery Bo- 

 dies (growing cool) wholly ceafe 

 mining in the Night; as alfo, that 

 Heat with which (growing warm) 

 they firft begin to mine in the 

 the Darknefs of the Night, bufc 

 with a faint and feeble Light, 

 fuch as can fcarce be difcern'd. 



P 3 



Tlvii 



