Porcelain. Glazed inside and outside except bottom outside surface. Outside Diameter: 53mm, Height: 46mm
Strong Alnico 1 Cylindrical Magnets, shipped in pairs, with separators and keepers. North pole marked with a dot.
Sloping front meters for easy reading. +/- 2.5% accuracy with overload protector and color-coded bar. 4"W x 5.5"D x 3.5" H. External zero adjustment.
Sloping front meters for easy reading. +/- 2.5% accuracy with overload protector and color-coded bar. 4"W x 5.5"D x 3.5" H. External zero adjustment.
Sloping front meters for easy reading. +/- 2.5% accuracy with overload protector and color-coded bar. 4"W x 5.5"D x 3.5" H. External zero adjustment.
Sloping front meters for easy reading. +/- 2.5% accuracy with overload protector and color-coded bar. 4"W x 5.5"D x 3.5" H. External zero adjustment.
Construct & operate a functioning DC motor that demonstrates the uses of the armature, field coil, & commutator. Parts provided include: coil of copper wire, base, field poles, armature core, brushes, & all fasteners. Ages 10 and up. No tools needed for assembly except scissors. Comes complete with 12-page instruction booklet which includes illustrations, detailed assembly instructions, "How a Motor Works". 3-6 volt battery required for operation (not included).
Construct & operate a functioning DC motor that demonstrates the uses of the armature, field coil, & commutator. Parts provided include: coil of copper wire, base, field poles, armature core, brushes, & all fasteners. Ages 10 and up. No tools needed for assembly except scissors. Comes complete with 12-page instruction booklet which includes illustrations, detailed assembly instructions, "How a Motor Works". 3-6 volt battery required for operation (not included).
Sloping front meters for easy reading. +/- 2.5% accuracy with overload protector and color-coded bar. 4"W x 5.5"D x 3.5" H. External zero adjustment.
Sloping front meters for easy reading. +/- 2.5% accuracy with overload protector and color-coded bar. 4"W x 5.5"D x 3.5" H. External zero adjustment.
Sloping front meters for easy reading. +/- 2.5% accuracy with overload protector and color-coded bar. 4"W x 5.5"D x 3.5" H. External zero adjustment.
Sloping front meters for easy reading. +/- 2.5% accuracy with overload protector and color-coded bar. 4"W x 5.5"D x 3.5" H. External zero adjustment.
Lime green mesh vest with Velcro tab closures and elastic side straps with 2" orange/silver reflective material stripes. Vest measures 47" x 18" and one size fits all.
Orange mesh vest with Velcro tab closures and elastic side straps with 2" lime/silver reflective material stripes. Vest measures 47" x 18" and one size fits all.
Dense wood cube 1" sides. Average weight 16 grams/cube. Wood block: 2" x 2" x 1/8" soft wood. Steel block: 2" x 2" x 1/8". Aluminum block: 2" x 2" x 1/8"
Dense wood cube 1" sides. Average weight 16 grams/cube. Wood block: 2" x 2" x 1/8" soft wood. Steel block: 2" x 2" x 1/8". Aluminum block: 2" x 2" x 1/8"
Neodymium (NdFeB) is the most powerful magnet material in the world. Neodymium is classified as an element in the lanthanides section of the Periodic Table. These are the super strong magnets you have heard about that can attract through your hand.
Neodymium (NdFeB) is the most powerful magnet material in the world. Neodymium is classified as an element in the lanthanides section of the Periodic Table. These are the super strong magnets you have heard about that can attract through your hand.
Disecto Flex-Pad is washable, long lasting, has a smooth surface, is clean, removable, odorless and pins do not require cleaning after use.
Disecto Flex-Pad is washable, long lasting, has a smooth surface, is clean, removable, odorless and pins do not require cleaning after use. For econo poly pans.
• .02mm polyethylene disposable poncho, yellow
• Attached hood
• Fits easily into pocket, tool box, or glove compartment
• Available in 3 colors
• One size fits all
These lightweight disposable ponchos with attached hood are made from .02mm thick polyethylene material and are available in yellow, orange and clear material. Ponchos are easy to put on and take off and especially easy to store. Put a light one in your pocket when you go see your favorite football game, or put a couple in your tent for those outdoor activities. One size fits all. 50" x 80". Sold individually.
DNA Model Refill, Single Packet - Build a segment of the DNA consisting of Adenine, Thymine, Cytosine, and Guanine. Color-coded pieces designate certain molecules making up the four nucleotides present in DNA. Instructions
DNA Model Refill, Single Packet - Build a segment of the DNA consisting of Adenine, Thymine, Cytosine, and Guanine. Color-coded pieces designate certain molecules making up the four nucleotides present in DNA. Instructions
Strong Plastic Construction. Spring loaded, rubber covered grips. For Two Buret. Accepts Rods up to 12.5 mm.
Strong Plastic Construction. Spring loaded, rubber covered grips. For Two Buret. Accepts Rods up to 12.5 mm.
Made from clear acrylic. One plane surface is frosted. 89mm long. 15mm thick. 25mm across the beam axis.
Made from clear acrylic. One plane surface is frosted. 89mm long. 15mm thick. 25mm across the beam axis.