educational materials - SPECTRUM Nasco Shopping Mall Divisions

Physical Science
Nature of Light & Colour
Lens and Prism Set
Discover a variety of ways to demonstrate
light. This set contains 7 large prisms and
lenses to study the behavior of light. Sh.
wt. 0.59 kgs.
SB10977M — $49.10
Lens Demonstration Sets
For showing the most important types of lenses.
Optically true with ground glass edges. Includes
six lenses (double convex, plano-convex, double
concave, plano concave, concavo-convex, and
convexo-concave) arranged in a velvet-lined
case. Available in two thicknesses.
50 mm Thick.
Sh. wt. 0.75 lbs.
SB45490M — $19.00
38 mm Thick.
Sh. wt. 0.63 lbs.
SB45489M — $21.20
Unmounted Optical Lenses
An excellent selection of unmounted lenses for use with optical benches and other studies
in optics. All are made of high-quality optical glass, and have ground edges. Sh. wt. 0.06
kgs.
Double Concave Lenses.
Cat. No. Diameter Focal Length Price
SB10474M 3.75 cm 10 cm $1.85
SB10475M 3.75 cm 15 cm $2.35
1. Prisms
Acrylic prisms polished to perfection. These quality prisms will project a superior spectrum
compared to glass. If accidentally chipped, these prisms will not produce sharp
edges.
Cat. No. Description Sh. wt. Each
2. Giant Prism
This large 4" x 7", water-fillable, impact-resistant acrylic prism encourages the experimental
exploration of the rainbow and the mystery and science of colour. Giant Prism has
been specially designed for looking through, combining high optical clarity and a wide
field of view with the versatility of being able to use a variety of fluids. Giant Prism comes
complete with eight graphic cards, a wooden card holder, and a 32-page handbook filled
with colour experiments. Sh. wt. 0.31 kgs.
SB20215M — $50.30
Equilateral Prism
60° glass prism with 30 mm base and faces, for
experiments in dispersion of white light into its spectrum
colours, refraction of light, and demonstrating
the principle of the prism spectrometer.
1.2” (30 mm) x 2” (50
mm). Sh. wt. 0.09 kgs.
SB14088M — $5.90
1.2” (30 mm) x 3” (75
mm). Sh. wt. 0.09 kgs.
SB14089M — $5.85
6 or More,
Each
12 or More,
Each
SB18046M 1¾” Right Angle 0.11 kgs. $8.95 $8.68 $8.50
SB18047M 2” Right Angle 0.11 kgs. $4.75 $4.61 $4.51
SB18048M 2½” Equilateral 0.17 kgs. $12.20 $11.83 $11.59
SB18049M 4½” Equilateral 0.23 kgs. $21.75 $21.10 $20.66
1.2” (30 mm) x 4” (100
mm). Sh. wt. 0.11 kgs.
SB14090M — $8.90
1.2” (30 mm) x 6” (150
mm). Sh. wt. 0.23 kgs.
S00194M — $10.70
Double Convex Lenses.
Cat. No. Diameter Focal Length Price
SB10476M 3.75 cm 5 cm $1.65
SB10477M 3.75 cm 10 cm $2.70
SB10478M 3.75 cm 15 cm $1.65
SB10479M 3.75 cm 20 cm $1.70
SB10480M 3.75 cm 30 cm $1.70
Plumber’s Candle
White candles for general lab use. Designed to fit
holder for optical bench experiments. 4¾" x ¾".
Sh. wt. 0.34 kgs.
SB14283(X)M — $7.20 per doz.
6 doz. or more — $6.98 per doz.
Reflection, Refraction,
Diffraction Kit
These hands-on experiments
explore the basic facts about how
light travels. Covers reflection of
light, light and colour, refraction
of light, theories of light, translucent
and opaque objects, and
much more. This kit is complete
and ready for student use. Batteries
included. Grades 5—9.
Sh. wt. 1.79 kgs.
SB28780M — $150.25
Lenses Demonstration Set — Set
of 6
Contains plano-concave, convex-concave,
double-concave, concave-convex, doubleconvex,
and plano-convex lens types. Available
in two different diameters, both with ground
safety edges.
37.5 mm dia.
Sh. wt. 0.11 kgs.
SB16449M — $7.10
198
50.0 mm dia.
Sh. wt. 0.23 kgs.
S00169M — $11.65
Batteries. Size “D”.
Pack of 2. Sh. wt. 0.34 kgs.
SB10826(X)M — $5.85
Tel: 1.800.668.0600 Fax: 1.800.668.0602
Flashlight
Handy, portable battery flashlight has durable
plastic outer casing. Exclusive diamond
reflector provides a wider beam of light than
most ordinary flashlights. Requires two “D”
batteries (not included). No colour choice.
Sh. wt. 0.11 kgs.
SB13626M — $2.10
Pack of 12 flashlights.
SB42623M
Spectrum Price — $18.70