| Among the instruments shown are compasses, scales, surveying wheels and chains, theodolites, protractors, and quadrants. |
| Remarkably, the loss of the tongue protractors in chameleons has not affected the external feeding kinematics. |
| We are pushed into thinking that illusions must be departures from quite simple-minded physics, as measured with rulers, protractors, and clocks. |
| Pen clips, protractors, and jackknives have left hacked shapes to tell people how dull it all was when they sat here. |
| Accessories for rules are presented in another chapter that describes attachments used with rules such as fences, protractors, gauges, trammels, and carrying cases. |
| During the interviews, the students had access to additional papers, pens, protractors, and a calculator for any necessary calculations. |
