T-SQUARE • DICTIONARY ONE.COM • Definition of T-square

... following days carried out as a working model, which gives highly satisfactory results. It is ingenious in its simplicity, and a direct realization as a mechanism of the principles explained in connexion with fig. 21. The line B'B is represented by the edge of an ordinary T-square sliding against the edge of a drawing-board. The points B and P are connected by two rods BE and EP, jointed at E. At B, E and P are small pulleys of equal diameters. Over these an endless string runs, ensuring that the pulleys ...

— Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 - "Bulgaria" to "Calgary" • Various

... I figure it out," Billy said, deliberately, drawing his pencil slowly along the edge of his T-square, and squinting at it absorbedly, "Coleman has a crush on you, all right, and he'd rather be with ...

— Saturday's Child • Kathleen Norris