The cover image was created by the transcriber and is placed in the public domain.
Index entry ‘Evans, Robt., 11.’ corrected to read ‘Evans, Oliver, viii.’
In the chapter ‘CHIMNEYS AND DRAUGHT’ 12th para:-
‘… having about 1 square foot of heating surface to 45 square feet of heating surface.’
This has been changed to read:-
‘… having about 1 square foot of grate area to 45 square feet of heating surface.’
The references to a ‘Six Inch Flue Boiler’ in Fig. 32 and the Index may mean ‘Six Flue Boiler’, these instances have not been changed.
In the chapter ‘CHEMISTRY OF THE FURNACE’, the opening paragraph has a number of apparent typographical errors relating to names of substances. These have been left as printed and are:-
| naphthaline | typographical | error | for | naphthalene |
| alizarine | „ | „ | „ | alizarin |
| toludine | „ | „ | „ | toluidine |
| anthracine | „ | „ | „ | anthracene |
| toluches | „ | „ | „ | toluene |
| saccharine | „ | „ | „ | saccharin |