This section is from the book "Manual Of Useful Information", by J. C Thomas. Also available from Amazon: Manual of useful Information.
Indigo........... | 77 |
Gun powder............. | 93 |
Butter............... | 94 |
Ice................ | 117 |
Clay.................... | 120 |
Coal................ | 130 |
Peat................... | 133 |
Opium.................. | 134 |
Honey.............. | 14b |
Ivory............... | 183 |
Brick.................... | 200 |
Sulphur.................. | 203 |
Porcelain.................. | 226 |
Stone.................. | 252 |
Marble................. | 870 |
Granite.................... | 278 |
Chalk................. | 279 |
Glass........................ | 289 |
 
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