214 GOLDFISH VARIETIES AND 
Frame Construction. A hack-saw with fine teeth for metal-work- 
ing will be needed to cut the proper lengths of angle metal. After care- 
fully determining proportions desired, cut the four uprights and then the 
material for top and bottom frames. If working in brass the latter should 
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Fic. 158. Cut, PREPARATORY TO BENDING ANGLE Brass 
each be left in one piece. By accurately bevelling the two ends and prepar- 
ing right-angle cuts at three points as shown in figure 158, the whole can be 
bent into a frame that will produce very neat corners and make soldering 
easy. The right-angle cuts should be finished with a square file and car- 
ried within about 1/32 inch of going through. This leaves the bar very 
weak at these points and considerable care is necessary in handling in 
order that some accident does not break them apart before it is time to 
bend. If one breaks it is not a very serious matter, only the corner will 
not have quite such a neat appearance. In practise we find it best to bend 
each cut as soon as finished and roughly fasten with solder. When all 
Fic, 159. FRAME SECURED AROUND WoopEN ForM. Note RE-INFORCEMENT IN ONE 
CORNER 
three bends have been completed, place within it a wooden form as shown 
in figure 159, Except for the corners being cut off (to allow for solder- 
ing) the edges of form should be perfectly rectangular and fit closely. 
Now secure quite firmly with stout twine. After all corners are trued 
up with the board, apply the permanent solder. Melt solder from any 
