PATTERN MAKING 



27 



blade must be short to admit of its application in pattern- work. 

 The adjustable try-square, illustrated in Fig. 51, is not 

 expensive, and will be found to fill the requirements of several 

 small squares. It is made in two sizes, with graduated blades 

 four inches and six inches in length respectively. The blade of 



Pig. 50. 



this square can be firmly secured in its seat at any point. When 

 the blade is carried entirely to the front of the handle, it is like 

 an ordinary try-square; and the moving of the blade makes the 

 square equally perfect down to one-quarter-inch length of blade, 

 or even less. 



Fig. 51. 



With one adjustable square of this kind, six inches in length, 

 only one 8-inch or one 10-inch ordinary square will be found 

 necessary. 



