41. Bobbin lace evolved from passementerie or braid-making in 16th-century Italy.42. Bobbin lace-making was established in charity schools, almshouses, and convents.43. Taken from the cockney " bobbins of cotton ", meaning " rotten ". 44. Then the yarn is wound onto the bobbin , and the process starts again. 45. Bobbins serve to contain the inactive yarn and help keep it from getting tangled.46. Du Faur personally funded and made a road through the bushland to Bobbin Head. 47. North Turramurra and Bobbin Head are accessible via bush tracks in the National Park. 48. The bobbin -descender could also overheat and melt the surface of the rope. 49. Next the yarn is wound onto the bobbin , and the process starts again. 50. The rotors first used were wound as sixteen axial bobbins , one per pole.