Board Room of the New Federal Reserve Board Building in Washington, D. C.

The star holders on the walls of this room and the charts that hang on them are a definite part of the decoration of the room.

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B. Sketch of the Lay-out of the General Motors Conference Room Showing the Position of the Projector and Screen.

The solid black line indicates the screen. The projector is directly behind the screen.

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C. The Use of Projectors in Conference Rooms.

The illustration shows the general lay-out for the use of a lantern slide projector in a conference room.

Chapter 60 GLOSSARY

SINCE there has been little organized work on vocabulary, the wordings in this glossary should be considered as suggestions, and not in any way officially sanctioned.

Absolute Bar Chart. -- See component bar chart.

Aerial Map. -- A photograph or drawing giving a bird's-eye view

of buildings, roads, trees, mountains, cities, etc. Area Bar Chart. -- A bar chart in which at least one dimension is in

percentages, resulting in a comparison of the areas of the sections of the bar. Arithmetic Scale. -- An amount scale on a grid with equal numerical

values represented by equal special intervals. Band Chart. -- See component curves chart. Bar Chart. -- Presentation of data in the form of bars whose lengths

and divisions indicate values. Bell Curve Chart. -- A frequency chart in which the distribution

assumes the shape of a bell. See frequency chart. Bilateral Bar Chart. -- A bar chart in which the bars extend both