the guide. Steel needles regulate the flow of ink and prevent the points from becoming clogged with ink.

2. The under side of the guide is grooved so that ink will not be smeared when the

guide is moved from one character to another. The guide is placed directly over the portion of the paper on which the lettering is to be done.

Thro. Altcnrdrr Qi Sont. Philadelphia, Pa.

B. Ruling Pen of the "Hinged" Type.

1. The hinge arrangement of this pen makes the pen easy to clean. Ruling pens are available in a variety of sizes and shapes. This is the actual size of the pen.

2. The firm from whose catalogue this illustration was taken also handles a helpful device

called a "Spacing Divider." This instrument consists of 11 teeth, numbered from 0 to 10, and so designed that they always divide the extreme setting of the dividers into 10 equal parts.

Ill

■I"

SUGGESTIONS FOR MAKING A CHART

Poster Products, Inc., Chicago, and Tablet Sl Ticket Co., Chicago.

Cut-Out LeHers.

1. Another method of lettering a chart is to secure cut-out letters and (inures and then

to put them on the chart. The letters come in a variety of styles and sizes and may be secured cither with a gummed back or a back wliich adheres to any clean smooth surface and which requires no water. The latter are both removable and reusable.

2. The letters "OSNX" are K^in^i^^<l-t'3<^l< a"d come in sizes from 'g to 2 inches in height