So large a proportion of the motions of the parts of machinery may be included in ths classes rectilinear and circular, that the very few exceptions wherein the curvilinear motions are other than ...

The team focused a 3 MeV proton microbeam perpendicularly onto the lateral side of a 3.0 mm × 3.0 mm × 0.5 mm IIa single-crystal diamond and scanned the beam along a rectilinear path.