| Circuits & Electronics | Earth Science & Field Study | Health | Labware & Supplies | Magnets & Magnetism | Microscopes & Supplies | Models | Optics | Physics | Porcelain Labware | Thermometers | Weights & Measures | |||||||||||||
| Earth Science & Field Study |
|||||||||||||
| Insect Net | |||||||||||||
 P24301 |
This quality-built insect net features a telescoping aluminum handle that extends from 18" to 32". A simple twist of the handle locks and unlocks the handle for varying lengths. A 48" long conical net is mounted on a 14" ring. |
||||||||||||
|
|||||||||||||
| Secchi Disk | |||||||||||||
Used to determine the turbidity of natural water. Thick metal disk of alternating black and white colors allows fast, easy measurement. 18 cm diameter. Comes with 50 feet of string. |
 P66015 |
||||||||||||
|
|||||||||||||
| Simple Anemometer | |||||||||||||
 P84001 |
Measures speed and direction of wind. Speed ranges 0-17 m/s ± 10%. Directions divided into 16 azimuths. With built-in compass. 21X6.5X15 cm. 4.2 oz. |
||||||||||||
|
|||||||||||||
| Molecular Model Set | |||||||||||||
 P45100 |
|||||||||||||
Allow students to take an active part in learning using this Molecular Model Set. This hands-on tool is excellent to teach the basics of molecular structures. Colored plastic balls represent atoms, while 3 different lengths of strings represent different types of molecular bonds. Comes with instructions, springs and 35 colored plastic balls: 6 black (carbon); 2 blue (nitrogen); 15 yellow (hydrogen); 4 red (oxygen); 4 green (chlorine); 2 orange (sodium); and 2 purple (potassium). All housed in a sturdy wooden storage case. |
|||||||||||||
|
|||||||||||||
| Organic Structure Model Set | |||||||||||||
 P45200 |
|||||||||||||
Students can demonstrate univalent and multiple bonds by linking the atoms in this Organic Structure Model set represented by colored plastic balls. In addition, with the included springs as links, they can recreate flexible bonds and ring compounds. Comes with instruction, ten 2” long springs and 54 colored plastic balls: 10 black (carbon); 2 blue (nitrogen, 1 ¼” dia.); 28 yellow (hydrogen); 6 red (oxygen); 4 green (chlorine); 2 orange (bromine); 2 purple (iodine, 1 1/8” dia.); and thirty 1 ½” long pegs. All housed in a sturdy wooden storage box. |
|||||||||||||
|
|||||||||||||
| Inoculating Needle & Loop | |||||||||||||
 |
|||||||||||||
These 3” long inoculating needles and loops are made of 24 gauge nickel-chrome wire and mounted in 8” long aluminum handles. The needles are used to select tiny colonies, and the loops are used to pick up broth. Individually packaged in plastic storage tubes. |
|||||||||||||
|
|||||||||||||
| "T" Pins | |||||||||||||
These nickel plated pins feature a "T" head which allows for a firm grip, making them easier to insert and extract. |
 |
||||||||||||
|
|||||||||||||
| Insect Pins | |||||||||||||
 P23451 |
These #2 steel insect pins are coated with a black corrosion-resistant finish and have a yellow epoxy head. Pack of 100. |
||||||||||||
|
|||||||||||||
| Pinning Block | |||||||||||||
This wood pinning block has 3 steps. Excellent for mounting insects. |
 P23456 |
||||||||||||
|
|||||||||||||
| Teasing Needle | |||||||||||||
 P23411 |
|||||||||||||
Teasing needle with durable, plastic handle. The pin points allow for accurate results. Stainless steel needles eliminate rust and corrosion. |
|||||||||||||
|
|||||||||||||
| Forceps | |||||||||||||
 P23102 |
This inexpensive forceps is ideal for basic dissection or for kits. Made of nickel plated steel. 4”L. |
||||||||||||
|
|||||||||||||
This is an excellent student forceps for basic dissection applications. It is nickel-plated steel with a medium point. 4.5”L. |
 P23101 |
||||||||||||
|
|||||||||||||
| Scissors | |||||||||||||
 P23103 |
This inexpensive scissor is excellent for basic cutting. Ideal for kits. Made of nickel plated steel. 4.5”L. |
||||||||||||
|
|||||||||||||
Copyright ©2004