Alvin Proportional Dividers
are used for dividing lines or
circumference of circles into
equal parts and for enlarging or
reducing lengths in different
ratios. With a simple
adjustment, reductions or
enlargements can be transferred
from the original scale drawings
with exacting accuracy (+ 0.1mm
for any ratio)
NOTE: THESE ARE DISCONTINUED
ITEMS AND ARE NON-RETURNABLE!
CLOSEOUT
LIMITED TO STOCK
ON HAND!
Alvin Basic Ratio Divider
7-1/2" ratio divider with adjustable and
replaceable needle points. Can be
permanently set to ratios of 2:1, 3:1,
4:1, 5:1, 6:1, and 7:1. Graduated for
lines and circles. Lightweight but
strong aluminum construction resists
corrosion.
