IEC 60256 Ed. 1.0 b:1967, External diameters of cylindrical radiation probes containing Geiger-Mnller or proportional counter tubes or scintillation detectors
from $26.40
Portable Geiger Counter, Nuclear Radiation Detector with Sound and Light Indication, Detects X, Gamma, Beta
$54.19
from $53.81
Westcott 5" Proportional Scale, White (PS-69)
from $4.95
10 Inches Drafting Tools Artist Proportional Scale Divider, Drawing Tool for Artists, Adjustable Caliper and Subject Scale Divider for Art Drawing Tools (Black)
from $7.39
Geiger Counter Nuclear Radiation Detector, USB Radiation Dosimeter with Clear Screen, Portable Beta Gamma X Radiation Monitor Meter, Digital Geiger Counter
from $54.34
hand2mind Blue Plastic Base Ten Unit Blocks, Place Value Blocks, Counting Cubes for Kids Math, Base Ten Blocks Classroom Set, Math Blocks Kindergarten, Base 10 Math Manipulatives (Set of 100)
from $3.49
Terra by Battat – Toy Farm Animals Tube – 60 Mini Figures in 12 Realistic Designs – Barnyard Animals in Storage Tube – Cow, Pig, Goat, Sheep & More – Farm Animals – 3 Years +
from $9.99
YARKOR 10 Inches Artist Proportional Scale Divider Drawing Tool (Black)
from $9.45
Hubceuo Proportional Divider Drawing Tool for Artists, Gray Scale Value Finder, Color Wheel and Artists View Catcher Finder
from $11.25
Pixiss Artist 10" Proportional Divider - Drawing Tool for Artists - Gray Scale Value Finder, Color Wheel and Artists View Catcher Finder - Drawing Supplies & Drafting Tools
from $15.99
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