Elementary cabinetwork for manual training classes (1909)
Selden, Frank Henry. [from old catalog] · Chicago, New York [etc.] Rand, McNally & company · leaf 93
Fig. 64. Clamping point, it will spring the pieces out of place. Thisapplies to the vertical as well as to the horizontaladjustment. Some clamps are so made that the pressure at theend of the screw is so far away from the bar, that itis necessary to block the work away from the bar inorder to bring… … . Sometimes the blocks can be adjusted to bringthe pressure at the center. In Fig. 65 a clamp isshown with the block raised to cause the clamp to press againstthe center ofthe piece. Fig.66 affords anunusually goodtypical illustra-tion of clamp-ing, showingblocks to pro- FiG. 65. Clamptng ^^^^ ^^^…
Cabinetwork
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