Match Enigma Jigsaw
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Clássico de 48 partes
•Mudar o corte
| Escolher um corte do enigma |
| . |
Resolver épocas para este enigma
Foto4.3 / 670 votes The first "friction match" was invented by English chemist John Walker in 1827. Early work had been done by Robert Boyle in the 1680s with phosphorus and sulfur, but his efforts had not produced useful results. Walker discovered a mixture of antimony sulfide, potassium chlorate, gum, and starch could be ignited by striking against any rough surface. | Enigmas recentesSegunda-feira Llama Bad Hair DaySol Lion Head PadlockSentado Colorful FlutesFri Temple on HillThu Triple Ball LightWed Duckling FurballsTue Barn Owls Enigmas mais precedentes | |||||||
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