/ 
ERRATA AND ADDENDA. 
Page 15, line 21st, for parts read part. 
Page 17, note §, In preparing this note, I find that I mistook 
the name of the inventor. It should have been Jeremiah Wil¬ 
kinson, instead of Josiah Waterman. 
Page 22, line 26th, for stills read kettles. 
Page 24, line 2d, from the bottom, read, From analysis it ap¬ 
pears to be quite pure. 
Page 28, line 10th.—-Sulphuric acid is manufactured at 
Charlestown, (Mass.) (New-England Journal, vol. 2, p. 190.) 
Page 28, line 22d,—Since delivering the address, I have ascer- 
certained that American Black Lead is frequently used in the 
manufacture of pencils. It is made a trade in this state and in 
Vermont. The pencils appear to be of a good quality. 
Page 30 .—Carbonate of Magnesia is manufactured near New- 
Bedford, (Mass.) The works are sufficiently extensive to pro¬ 
duce from 15 to 20,000 pounds annually, and the article thus 
made is stated to be superior to the European Magnesia, (New- 
England Journal, vol. 2, p. 190.) 
Page 36, line 16th,—The mineral rftanufactured into ornaments 
at Zoblitz, is common serpentine. (Quarterly Review, vol. 2, 
p. 66.) Kidd was my authority for the former assertion. 
Page 37, line 8th, for dying read drying. 
Page 39, line 14th, for natural read national. 
Page 39, note X —for Oneida (Oneida county) read Vernon , 
(Oneida county.) 
