HAIR LOOKS LIKE LEAD PENCIL
The Comparator, precision instrument used
by C. G. Conn Ltd., Elkhart, Ind., world's
largest manufacturer of band and orchestra
instruments. For checking irregular shapes.
Shadow of part to be checked is thrown
on the screen and enlarged up to 100 times.
Naked eye easily sees 1/30th diameter of a
human hair.
Dear fouen ld have, Mr.dor
ould
on wo
enjoyed seeing
place, I never saw
instruments
so many
in
بعة
SEPA
1948
Dale thought this,
machine that magnified
wonderful
Frances
was wonder
Mead
Rolo
1789-17-1
Kaad
โa
مه
