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Bi-Concave Glass Lens, 50 mm Diameter, 300 mm Focal Length
lenses-spherical-unmounted-bi-concave-50-mm-diameter-fl-300-mm
GLVV50X300
Diverges incident light for optical experiments and beam control.
options
From $2 /unit
Bi-Concave Glass Lens, 75 mm Diameter, 200 mm Focal Length
lenses-spherical-unmounted-bi-concave-75-mm-diameter
GLVV75X200
Polished glass diverging optic with ground edges.
options
From $10 /unit
D Cell Battery Holder with Fahnestock Clip
battery-holder-d-cell-w-fahnestock-clip
PBH1DF
Durable plastic holder with flexible metal terminals for D batteries
From $1.55 /unit
Hand Tally Counter, Student Grade, Wholesale
hand-tally-counter-student-grade-wholesale
COUNTERSG
Mechanical tally counter, counts anything, no batteries required.
options
From $2 /unit
Spherical Convex Mirror, 50 mm Diameter, 150 mm Focal Length
3362CONVX-5015
Student Grade, D: 50 mm x FL: 15cm
options
From $2 /unit
lenses-spherical-unmounted-bi-concave-50-mm-diameter-fl-300-mm
Bi-Concave Glass Lens, 50 mm Diameter, 300 mm Focal Length
Diverges incident light for optical experiments and beam control.
Add to Cart
$2
SKU: GLVV50X300
lenses-spherical-unmounted-bi-concave-75-mm-diameter
Bi-Concave Glass Lens, 75 mm Diameter, 200 mm Focal Length
Polished glass diverging optic with ground edges.
Add to Cart
$10
SKU: GLVV75X200
battery-holder-d-cell-w-fahnestock-clip
D Cell Battery Holder with Fahnestock Clip
Durable plastic holder with flexible metal terminals for D batteries
Contact Us  
$3 - $155
SKU: PBH1DF
hand-tally-counter-student-grade-wholesale
Hand Tally Counter, Student Grade, Wholesale
Mechanical tally counter, counts anything, no batteries required.
Add to Cart
$4.50 - $10
SKU: COUNTERSG
Spherical Convex Mirror, 50 mm Diameter, 150 mm Focal Length
Student Grade, D: 50 mm x FL: 15cm
Add to Cart
$2
SKU: 3362CONVX-5015
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