Alvin 12" Mechanical Scales with Architects & Engineers Graduations

Alvin 12" Mechanical Drafting Scale Scholastic Ruler
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The Alvin 110 series mechanical drafting scales are popular draftman scales for schools and vocational use. They are inexpensive rulers made of satin-finished high impact plastic with tapered edges and black easy-to-read printed graduations that won't rub off. The scales are white or yellow with graduations: 1/8, ¼, ½, to the foot; ¼, 3/8, ½, ¾ size; 50ths and 60ths.


$4.90
$3.28
$10.00
$6.25

Alvin 110 Series Mechanical Drafting Scales for Draftman - An extremely popular scale, these budget-priced 12" triangular Mechanical Draftman scales are recommended for scholastic and vocational use. Made from satin-finished impact plastic with tapered edges and black easy-to-read printed graduations that won't rub off. Available in both white and yellow

Graduations: 1/8, ¼, ½, to the foot; ¼, 3/8, ½, ¾ size; 50ths and 60ths


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