LEONARDO DA VINCI - Disk and roller bearings for horizontal axles - Three disk sections support the axle. For Leonardo, this is the best solution for axles that does not perform complete rotations, such as bell shafts
Madrid Ms. I (BNM), fol. 12v
Three disk sections support the axle. For Leonardo, this is the best solution for axles that does not perform complete rotations, such as bell shafts