Scientific Intelligence. — Arts . SOI 
rials, viz. the alkali, quartz, and charcoal, are in plenty in most 
districts where houses are built of wood, the compound can al- 
ways be had in abundance and at a cheap rate. In America, 
where dreadful fires are of too frequent occurrence, the preser- 
vative materials are abundant; and there we may expect to 
hear of the compound being extensively used. 
61. Table shewing the Quantity of Metallic Copper produced 
in England , Scotland , and Ireland, t from 1818 to 1822. 
1818. 
1819. 
1820. 
1821. 
1822. 
Cornwall, - [ Tons Fr. 
6714 
7214 
7364 
8163 
9331 
Devonshire, - 
438 
433 
417 
483 
537 
Staffordshire (Ecton), 
200 
180 
236 
110 
38 
Anglesea, - 
633 
564 
561 
604 
738 
Other parts of Wales, 
90 
60 
40 
39 
55 
Somersetshire, 
... 
3 
28 
... 
Cumberland and Westmoreland, 
1 ... 
... 
20 
IS 
21 
Ireland, - 
120 
116 
174 
257 
738 
Scotland, - 
... 
... 
5 
12 
11 
8195 
8567 
8820 
9714 
114,69 
Art. XXXII. — List of Patents sealed in England from Octo- 
ber 6. to November 17. 1825. 
Oct. 6. To J. Martineau junior and H. W. Smith, London, for ‘^Improve- 
ments in the manufacture of Steel.” — Six months to enrol speci- 
fication. 
To Sir G. Cayley, Bart, for 44 a new Locomotive apparatus.” 
To J. S. Broadwood, London, for 44 Improvements in Square 
Piano-fortes.” 
13. To T. Howard, London, for 44 a Vapour Engine.” 
To N. Kimball, London, for 44 a process for converting Cast-Iron 
into Steel.” 
To B. Sanders, Worcester, for 44 Improvements in making Buttons.’’ 
To J. Dwyer, Dublin, for 44 Improvements in making Buttons.” 
13. To J. Clesild Daniel of Stoke, Wilts, for 44 Improvements in 
machinery applicable to the weaving of Woollen Cloth.” 
To J. Easton of Heal Cottage, Bradford, Somerset, for 44 Improve- 
ments in Locomotive or Steam-Carriages, and in the construction 
of Roads for them.” 
21. To William Hirst, L. Wood and J. Rogerson, Leeds, for 44 Im- 
provements in machinery for raising and dressing Cloth.” 
VOL. XIV. NO. 27. JANUARY 1826. 
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