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Crutch: a Split Broom-Handle Crutch (Boy Mechanic, 1913)
A crutch made to the user's own length from a broom handle: split, soaked and spread into a Y, with a riveted hand grip and a shaped top piece nailed across for the armpit.
Make two for a pair.
Source: The Boy Mechanic, Book 1 (1913), p. 369. Picture: Figs. 1-3 of the book.
初学者
Unknown
说明
1
1
Split and soak the handle
Split and soak the handle
Split a broom handle with a rip saw to within 1 ft of one end (Fig. 1). Soak it in water for three days so the halves will bend.
此步骤所需材料：
木榫钉1 broom handle所需工具：
纵割锯
水2
2
Fit the grip
Fit the grip
Cut a grip as long as the hand is wide and bore it through the centre to take No. 10 wire. Set it between the two halves at the right height for the arm, run the wire through both halves and the grip, and rivet it over (Fig. 2).
此步骤所需材料：
硬木销钉1 grip
铁丝1 No. 10所需工具：
手锯
手摇曲柄钻与钻头
铁皮剪
锤子3
3
Nail on the top piece
Nail on the top piece
Cut a top piece shaped as at A, Fig. 3, and nail it across the upper ends of the two halves.
此步骤所需材料：
松木板1 top piece
钉子1 个所需工具：
手锯锤子此蓝图制作
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