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Beaker
Plastic 250 ml New
Home Science Tools, this new never used
beaker is made of polypropylene plastic, and it measures
3.5" tall and has a diameter of 2.75" at the
top lip. Polypropylene can handle hot liquids but not
an open flame, and though it has excellent chemical resistance,
it is not suitable for strong solvents. Retail $1.30 each.
Weighs 0.7 oz each. |
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| Price
$0.70 |
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Limestone
New
Home Science Tools, a new 2" diameter
specimen. Retail $1.50. Weighs 0.9 oz. |
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| Price
$0.75 |
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Spring
Scale 100g/1N NIP
Home Science Tools, new in package spring
scale that is sensitive to 100 grams of weight or 1 newton
of force. Spring scales are used to measure weight or
force by hanging objects from their hooks. To measure
loose material such as sand, pour it into a plastic bag
and then hang the bag from the spring scale hook. Retail
$4. Weighs 1.9 oz. |
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| Price
$2.00 |
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Plaster
of Paris NIP
Home Science Tools, new in package 4 oz
bag of plaster or paris. Instructions for use are printed
on the bag. Have two bags for sale. Retail $1.00 each.
Weighs 0.5 oz each. |
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| Price
$0.50 |
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Graduated
Cylinder 10 ml New
Home Science Tools, this new never used
cylinder is made of polypropylene plastic, and it measures
about 14.5 cm tall with a 1.4 cm diameter top. The cylinder
is marked with 1.0 ml gradations from 1.0 ml to 10.0 ml.
Polypropylene can handle hot liquids but not an open flame,
and though it has excellent chemical resistance, it is
not suitable for strong solvents. I have two of these
for sale. Retail $1.50. Weighs 0.3 oz each. |
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| Price
$0.80 |
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Rock
What Kind? New
Home Science Tools, a new 2" diameter
specimen. I don't remember what kind of rock this is,
and cannot find it on their website anymore. The rock
is very hard, medium grey color, and has lots of white
sparkles (like white sand) in the rock. Retail $1.50.
Weighs 1.8 oz. |
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| Price
$0.75 |
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