CAT NO: DIDACTICNLE-Export-220194
Proctor Needle (Spring Type)- Engineering Lab Training Systems.
It consists of body housing a spring, a plunger calibrated to read
0-40 kg. x 1kg. and a handle. Long stem, is graduated at 12.5 mm
intervals to indicate the depth of penetration and for use with needles
of larger areas. Small stem, is graduated at 12.5 mm intervals to
indicate the depth of penetration and for use with needles of smaller
areas. One Needle point set comprising one each of 0.25, 0.5, 1, 1.5, 2,
3, 5 and 6 sq. cm. is supplied. Complete in wooden carrying case.