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Structure set for XOP590010 4/PK

Item #: XOP590500

£31.83

Structure set for XOP590010 4/PK

3 in stock

SKU: XOP590500 Categories: ,

Lascells Stress Structure Set-This simple apparatus allows students to
experience the ideas behind polarisation stress analysis. The equipment
consists of a pair of crossed Polaroid sheets on a support bar with handle, so
that specimens can be inserted and rotated between the sheets. Each Polaroid
is nearly 1mm thick and is formed from a semi-rigid plastic with a working
area of 55 x 70mm. Two special transparent polycarbonate shapes are included,
which allow stress patterns to be demonstrated when forces are applied to a
structure. Additional material is available to enable teachers to construct
their own structures for analysis. The system also demonstrates pressing
stresses in such objects as protractors and rulers. With suitable projection
equipment the images can be displayed on a screen for whole class viewing or a
class set enables students to see the effects for themselves. • Hands on
demonstration of the uses of polarisation • Analyse areas of weakness in
stressed plastics [B]Stress Structure Set[B] A set of four additional shapes
for use with the Polaroid Analyser (XOP 590 010) and a sheet of material 200 x
200 x 2mm from which other shapes may be cut. • Different shapes for use
with the Polaroid Analyser • Uncut sheet allows teachers and students to
design and test their own shapes

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