Dr. Cutbush on the Chinese Fire, &c. 133 
1. For Summer. 
Salt-petre, i = 17 oz. 
Sulphur, - - - ° - 3ido. 
Meal powder, - - ‘ 2 1ido. | 
Charcoal of oak, - - . wHhoaaiae 
2. For the Same. ; 
Salt-petre, - - - 16 oz. 
Sulphur, - - ~ ‘e «* ta 
Charcoal, a ignaiiing 6 saris OPE agg 
3. For Winter. 
Salt-petre,-  - - - ~ 17 oz. 
Sulph 
ur, - - - - - $3do. 
Meal powder, oh ee 4 do. 
Charcoal of oak, - - - 8do. 
4. For the Same. 
Salt-petre, = - - = = — 44 02. 
Sulphur, - - - - = 4do. 
Charcoal, - = - - 16 do. 
5. For the Same. 
Salt-petre, - - : 16 oz. 
Sulphur, - - - - = 2oz3dr. 
Charcoal, - - = bhe 6 do. ; 
6. F or the Same. 
Sulphur, - gre: ies - 3 oz. 
Salt-petre, - - - = 20do. 
Charcoal, = - = = (= 8}do. 
: For the rockets of honor, which are a particular kind, 
either cast iron or antimony are used. ‘The Chinese com- 
Position is the following : 
Salt-petre MG 5 oz. 
Sulphur, je ira oo ee eee it do. 
Charcoal, ‘eee 
Méal powder," <* Fa 1 a0. 
Pulv. cast iron, AE ene do. 
The charcoal is not pulverized very fine; the most im 
alpable part is not used, except for small works. 
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