170 J. Wharton on the Manufacture of Spelter. 
The entire cost of this experiment, including the importation 
of workmen, construction of furnace and tools, and all collateral 
expenses was $3,795.89. The quantity of spelter produced was 
34,063 Ibs. 
That report naturally excited in the minds of the Lehigh 
Zine Company, a strong desire to engage at once in the manu- 
facture of spelter, since not only were the technical difficulties 
in the way of this great prize overcome, and the product of 
excellent quality, but the cost was within the market price, 
and there were apparent margins for economizing in several 
particulars. On the other hand doubts naturally lingered as to 
the possibility of attaining the expected results upon a large 
scale, and the financial position of the Company was at that 
time such as to enforce caution. Both funds aac 
Ultimately, however, an agreement was entered into betweel 
that Company and myself, on the 18th of December, 1859, by 
which I engaged for the sum of $80,000, to convey to them a 
suitable piece of ground in South Bethlehem, Penn., and 10 
erect thereupon by July 1, 1860, a complete Spelter W orks, of 
sixteen Belgian furnaces, each containing fifty-four working 
retorts ; the furnaces to be enclosed in a suitable stone or brick 
building with slate roof, 155 feet long and 40 feet wide; the 
establishment to be provided with steam engine and boilers — 
steam pump drawing water from the Lehigh river, blowers, oF 
crushing mill and store room—all these latter to be enclosed 12 
a suitable stone building with slate roof—also to be provid | 
with pottery fully equipped with clay mills and apparatus @ | 
make all fire bricks, retorts, condensers, etc., needed in the 
business, ore-roasting furnaces, air flues and water pipes, Tal 
road into yard, coal bins, etc., and to be in all respects capable 
of making from the Lehigh Zinc Co.’s selected or lump ore — 
average price which had been theretofore received for se 
considerable lots of similar ore, sent by the Company to Eng 
