| 11. | He promoted the use of coal gas to light the city.
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| 12. | The 1860s were the golden age of coal gas development.
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| 13. | Nechells gas works produced coke as a by-product from the manufacture of coal gas.
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| 14. | Around this football field-sized area there was formerly a works for producing coal gas.
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| 15. | "Cystolepiota bucknallii " has a characteristically pungent odour, reminiscent of coal gas or sulphur.
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| 16. | Common lifting gases have included hydrogen, coal gas and helium.
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| 17. | The station was illuminated from 1851 by coal gas.
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| 18. | coal gas produced in Bridgwater, as well as by the provision of an electricity supply.
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| 19. | Coal Gas production ceased in 1968 and the chemical by-products plant closed eight years later.
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| 20. | It has a distinctive bright yellow colour and an unusual smell likened to coal gas.
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