296 On the Glazing of Hot-houses. 
business brought him near me. On this account 1 have often had op- 
portunities of conversing with him on the subject ; and in all my inter- 
views I never remember hearing him state that he could erect a house, 
either cheaper or better of metal than of wood. His first invention gave 
an impulse to Horticulture, and met, as may be remembered, with exten- 
sive encouragement, and whenever the finest crops were not found under 
these roofs, it was considered to be owing to the gardener's inattejition. 
Many individuals have since entered in the same affair, so that I wish to 
be understood to speak in general terms, when I mentioned the expense 
above. For instance, supposing a gentleman of Leeds, as 1 am aware has 
been the case, sends for a builder from Birmingham, to erect one or more 
houses, this journey, and the subsequent ones, added to the carriage of 
the materials, 150 miles, are all put in the scale against the metallic roof; 
whereas, if the same person employed a neighbour, either on this mate- 
rial, or wood, one half would of course be saved. This I believe to be 
one grand cause why those persons who have constructed Hothouses of 
this material, have never received a sufficient remuneration, nor has any 
person ever amassed a fortune, or even been paid for his exertions, 
who erected them. I beg to be understood that I have nothing hostile 
against the system ; I am conscious it will answer in many cases. 
We have a hand-glass here, made of metal, which has been kept well 
painted, and exposed to the open air 32 years, and it appears as perfect 
as when it was first made, neither the putty or bar seems to be affected. 
I intend, at some leisure opportimity, to send you a paper on the 
internal treatment of houses, I shall therefore withhold further remarks 
at this time, and only subscribe myself. 
Yours, &;c. 
Wilkrslnj, Avrj. 29, 1831. George Stafford. 
Ar'1'I(;i.I'; ^ I. — O/js-fi-nttions upon tJie Glazing ofHoi-honites, 
Sfc. By Joseph Harrison, one of the Conductors of 
this Magazine. 
In page 148, of the October number of this Magazine, will be found 
an article on the subject of Glazing Hot-houses, &c, by our esteemed 
correspondent, Mr. Saul, in which a mode of glazing is recommended 
by him, which he considers superior to that described in page 10, of 
the number for July. 
As it appears Mr. Saul's knowledge of the method he recommends, is 
■only theoretical, we shall here detail the result of our practical experi- 
ence on the same principle, having had it in operation some years at this 
place, and specimens of which have been exhibited to hundreds of per- 
sons, in most of the principaltowns; as London, Liverpool, Birmingham, 
Manchester, Sec. &c. 
