504 
To Correspondnets* 
indulge in s but I am very sure that no man can drink a pint of 
vinegar daily with impunity, whether it be mixed with alcohol 
or not. He will feel it in the course of years : the maladies of the 
decline of life, will furnish severe recollections of past imprudence. 
Years bring infirmities enough ; we should be upon our guard 
not to add to them. 
Adieu for the present. Pine te kai terpeu Vive , fiibe, 
V ale : that is, eat, drink and be merry, but in moderation. 
I hope it will be long *ere our friends will have occasion to 
repeat over your grave, or mine, 
Scrifisisti satis ; edisti satis ; atque bibisti , 
A r unc temfius abire tibi est. 
Yours* 
Epicuri de Ghege PORCUSi 
TO CORRESPONDENTS. 
1 am so frequently asked why I do not give information ort 
subjects that have not yet arrived in their turn, that I think It 
right once for all to state vmy plan. I shall conduct this work 
for a twelvemonth, and if I and my publishers find a common in- 
terest in the concern, until my plan be completed. 
I have dwelt longer on the articles iron and steel than i 
mean to do on the rest, because they are of so much importance, 
so little understood, and so little information of value has been 
collected concerning them. 
The scattered papers of so many volumes which I have brought 
together, contain more instruction than any single treatise or any 
two treatises hitherto published, in any language ; and the value 
will *ere long be appreciated, by those who are willing to give at« 
tendon, and who seek for information rather than amusement ; and 
■should the work stop here, I have no hesitation in saying that I 
have been of public service, on the most interesting and import 
tant of all manufacturies. 
I propose in future numbers to take up about 100 pages of each 
number with the following subjects, upon ail which my collections; 
are prepared ; the result for the most part of my own actual ob- 
servation of manufacturing processes, or of communications from 
persons actually engaged m the manufactures $ where that is not 
