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| | ===Hot bulb engine=== | | ===Hot bulb engine=== |
| − | Under construction
| + | British inventors Herbert Akroyd Stuart and Charles Richard Binney obtained two patents for a Hot bulb engine in 1892. |
| | + | <ref>[https://worldwide.espacenet.com/publicationDetails/originalDocument?CC=CA&NR=38933A&KC=A&FT=D&ND=3&date=18920512&DB=&locale=en_EP# Akroyd & Binney patent CA38933]</ref> |
| | + | <ref>[https://worldwide.espacenet.com/publicationDetails/biblio?II=20&ND=3&adjacent=true&locale=en_EP&FT=D&date=18920512&CC=CA&NR=38934A&KC=A# Akroyd & Binney patent CA38934]</ref> |
| | | | |
| | ==Pollution== | | ==Pollution== |