Constructive work; . /I kt Make cover ^ inch larger than box part and cut awaytriangle from either side as shown in drawing above. EXERCISE CIX. Specimen Wood Box. Made in connection with the study of trees. Material: Straw board and cambric for corners. The nature work on trees calls for a specimen box. Cross-sections of branches showing the rings, pith, sapwood and heart wood are generally not less than from 2 to2^ inches in diameter. Explain to pupils what you wish, for example: I wish abox that will hold six cross sections of different kinds ofwood at least 2^ inches in di-ameter; how long
Constructive work; . /I kt Make cover ^ inch larger than box part and cut awaytriangle from either side as shown in drawing above. EXERCISE CIX. Specimen Wood Box. Made in connection with the study of trees. Material: Straw board and cambric for corners. The nature work on trees calls for a specimen box. Cross-sections of branches showing the rings, pith, sapwood and heart wood are generally not less than from 2 to2^ inches in diameter. Explain to pupils what you wish, for example: I wish abox that will hold six cross sections of different kinds ofwood at least 2^ inches in di-ameter; how long and wide 96 must such a box be when finished to hold nine such sectionsif laid side by side? If the box is to be i inch high what are the dimensionsof the working drawing? What is the size of the cover? Cut the partitions, two to run the length of -- i i i _ 3 What must be the. length of the cross partitions if J inchis allowed at each end for paste ? See drawing of complete model. The size of box and number of divisions will dependupon the number of trees studied. EXERCISE ex.
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