Any person having any communicable or infectious disease, or one caring for persons having such disease, must not be allowed to handle the milk or milk utensils.
— from Outlines of dairy bacteriology, 10th edition A concise manual for the use of students in dairying by E. G. (Edwin George) Hastings

The same is the case where a piece having a curved outline is drawn, which is shown in Figure 107, where the set of the bow-pen [87] is gradually increased for drawing the shade lines of the curves.
— from Mechanical Drawing Self-Taught Comprising instructions in the selection and preparation of drawing instruments, elementary instruction in practical mechanical drawing; together with examples in simple geometry and elementary mechanism, including screw threads, gear wheels, mechanical motions, engines and boilers by Joshua Rose