348 Mr. Henrfs Conjiderations en different Materials y 



therein : with a perfeSl table thereto, t$Jind all things 

 ready y not the like reveled in Englijh heretofore. 

 Taken out ofDutche, and Englijhed by L. M. imprinted 

 at London by 'Thomas Parfooty dwelling in the new 

 rents. 1596. This little book, publiflied at fo 

 early a period, contains many good proceflesj 

 and it is to be lamented, that during fo long a 

 lapfe of time, the Englifh nation has not produ- 

 ced any work, on this fubjeft, that I know of, 

 much fuperior to it. The mode of computing 

 the length of time, employed in many of the 

 procefles contained in this publication is curious. 

 The immerfion of the fubjeft in the dying 

 liquor is, in general, ordered to be continued, 

 not for fo many minutes, but for five, fix, or 

 ieven Pater-nojlers long. 



The dying of woollen and filken goods has 

 long fince attained a confiderable degree of ex- 

 cellence, while the manufadures of cotton, owing 

 to thefmall attraction of that fubftance for colour- 

 in" matter, have been very deficient in this 

 point. Till within thefe few years, the colours 

 employed in the dying of fuftians and cotton vel- 

 vets were few j and, even at this day, many of 

 them are fugitive. But it muft be allowed that 

 great improvements have been made, within 

 thefe few years j improvements principally ow- 

 ing to the ingenuity and public fpirit of Mr. 

 Wilfon, of this fociety; who by the application 

 of chemical principles, and by a diligent invcfti- 



gation 



