On the Strengths of the Mixluris ef Jlcohoi. 



l3* 



rived from the Experiments of Gilpin, in the Philofophical Tranfaftlons 1794 ; but 1 muft, 

 for the fake of brevity, leave the confideration of the method of its fabrication to the 

 fcientific reader. 



Table of the lengths of the Tubes of Alcogrades^ -which Jhalljhew the Proportions hy meafure of 

 Alcohol in 1000 parts of any Mixturcy at different Temperatures. 



\ 



In applying this table to the purpofe of graduating the (cylindrical or prifmical) ftem of 

 an alcograde or hydrometer, the author fuppofes the inftrument to be plunged in a liquid 

 of the fpeeific gravity 90,000, and afterwards in another liquid * of the fpecific gravity 



100,000 



* In this procefs, fince thefe divifions indicate ten thoufandth parts of the portion mod deeply immerfed, 

 and there are 2096 divilions on the whole ftem, it will conftitute lather more than one-fifth part of the bulk 



of 



