Induction furnaces, which are much smaller in size than traditional resistance or arc furnaces, are becoming more popular in the gold-smelting industry due to their efficiency in batch melting. This ...
Mumbai air pollution: To combat air pollution in the city, the Brihanmumbai Municipal Corporation (BMC) has taken action to expel four furnaces used by gold and silver smelting professionals located ...
"Letters-patent have been issued for this invention in Russia, England, France, Belgium, Austria, Sweden, etc.; it has also been awarded the prize medal at the world's fair in London, 1862" Signed at ...