ON MEA­SUR­ING AND MARK­ING

Popular Mechanics (South Africa) - - SHOP NOTES -

Qual­ity work starts with care­ful mea­sure­ment, ac­cu­rately marked. These tips will help, as will a No. 2 pen­cil, whose medium-hard lead leaves a read­ily vis­i­ble line.

To draw an ac­cu­rate line with a ruler, hold a freshly sharp­ened pen­cil at an an­gle, so the point meets the work sur­face pre­cisely where the ruler does.

En­sure the ac­cu­racy of a mea­sure­ment from an edge by abut­ting the edge with a stop block, then hold­ing the ruler against it.

Hold­ing a ruler on edge, so its grad­u­a­tions meet the work sur­face, im­proves ac­cu­racy. With a tape mea­sure, hook the end over one side of the work­piece, then roll its blade to meet the sur­face.

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