Adjustable 360 degrees jaw rotation. For attaching up to 1/2" diameter rods. Aluminum muff with steel thumbscrew.
Clamp with Hook can be rotated and locked in any position. Ideal for supporting suspended thermometers, drying tubes, etc. The clamp attaches to rods up to 13mm (1/2") O.D.
For suspending pulleys, balances, etc. from support rods, or cross members.
Plated steel collar clamps feature thumbscrews and hooks for suspending pulleys, balances, etc. from support rods or crossbars. For suspending pulleys, balances, etc. from 3/4 inch support rods, or cross members.
Features flat countersunk bottom, with a double-ended hooked rod through the middle. Can be used on balance pans, as well as hooked in tandem for lever arm studies. Made of polished brass.
1" horseshoe magnet with keeper. Lifts two pounds.
By William Berman, an introduction to and special projects for advanced study of the: Earthworm, Crayfish, Grasshopper, Clam, Squid, Starfish, Dogfish Shark, Perch, Frog, Fetal pig, and Gladiolus.
Teachers guide, protect, and organize, often all at once. These armbands make their presence unmistakable, helping students and staff quickly identify leadership during both everyday activities and emergency situations.
These I.D. Armbands are designed to clearly identify staff and key personnel at a glance, helping maintain order, improve communication, and enhance safety in any environment. Whether used for daily operations or emergency situations, they ensure the right people are recognized instantly.
Crafted from durable, nylon-reinforced vinyl with a comfortable elastic fit, these armbands are built for reliability in fast-moving, high-demand settings.
From schools to large-scale events, they provide a simple, effective solution for structured coordination and peace of mind.
Key Benefits
• Immediate visual identification of staff and roles
• Durable, long-lasting construction for repeated use
• Flexible elastic fit for all-day comfort
• Ideal for emergency preparedness and daily operations
In critical moments, confusion is the enemy. These emergency armbands provide clear, immediate identification of designated personnel, helping teams respond faster and act with confidence.
Highly visible and easy to deploy, they play a vital role in emergency preparedness plans, ensuring the right people are recognized instantly when every second counts.
Crafted from durable, nylon-reinforced vinyl with a comfortable elastic fit, these armbands are built for reliability in fast-moving, high-demand settings.
From schools to large-scale events, they provide a simple, effective solution for structured coordination and peace of mind.
Key Benefits
• Immediate visual identification of staff and roles
• Durable, long-lasting construction for repeated use
• Flexible elastic fit for all-day comfort
• Ideal for emergency preparedness and daily operations
Security personnel need to be seen, and recognized without hesitation. These high-visibility armbands clearly mark authority figures, helping deter issues before they escalate and ensuring rapid response when needed.
These I.D. Armbands are designed to clearly identify staff and key personnel at a glance, helping maintain order, improve communication, and enhance safety in any environment. Whether used for daily operations or emergency situations, they ensure the right people are recognized instantly.
Crafted from durable, nylon-reinforced vinyl with a comfortable elastic fit, these armbands are built for reliability in fast-moving, high-demand settings.
From schools to large-scale events, they provide a simple, effective solution for structured coordination and peace of mind.
Key Benefits
• Immediate visual identification of staff and roles
• Durable, long-lasting construction for repeated use
• Flexible elastic fit for all-day comfort
• Ideal for emergency preparedness and daily operations
When every second matters, visibility isn’t optional, it’s essential.
These I.D. Armbands are designed to clearly identify staff and key personnel at a glance, helping maintain order, improve communication, and enhance safety in any environment. Whether used for daily operations or emergency situations, they ensure the right people are recognized instantly.
Crafted from durable, nylon-reinforced vinyl with a comfortable elastic fit, these armbands are built for reliability in fast-moving, high-demand settings.
From schools to large-scale events, they provide a simple, effective solution for structured coordination and peace of mind.
Key Benefits
• Immediate visual identification of staff and roles
• Durable, long-lasting construction for repeated use
• Flexible elastic fit for all-day comfort
• Ideal for emergency preparedness and daily operations
Monitors are the eyes on the ground, keeping spaces organized, safe, and running smoothly. These armbands make them instantly identifiable, allowing for quick coordination and effortless communication across any environment.
These I.D. Armbands are designed to clearly identify staff and key personnel at a glance, helping maintain order, improve communication, and enhance safety in any environment. Whether used for daily operations or emergency situations, they ensure the right people are recognized instantly.
Crafted from durable, nylon-reinforced vinyl with a comfortable elastic fit, these armbands are built for reliability in fast-moving, high-demand settings.
From schools to large-scale events, they provide a simple, effective solution for structured coordination and peace of mind.
Key Benefits
• Immediate visual identification of staff and roles
• Durable, long-lasting construction for repeated use
• Flexible elastic fit for all-day comfort
• Ideal for emergency preparedness and daily operations
An economy collection of 6 commonly known igneous rocks. Igneous rocks are formed by the cooling of molten rock, either magma or lava. Each generous specimen is 1 1/4" to 1 1/5" and is contained in a resealable zip lock bag with a label. Grades 5-12. Ages 10-18.
• Cargille Immersion oils meet ISO standards for performance
• Available in 1/4 oz bottles
• Types A and B are used for most fluorescent microscopy applications, type NVH.
Cargille Immersion Oil is required for high magnification and to obtain sharp images with clear resolution. These Immersion oils meet ISO standards for quality. Type A (low viscosity) and Type B (high viscosity) are used for normal microscopy applications with viscosities from 150-1250 (centistokes). The greater the gap between cover glass and objective, or condenser and slide, the more desirable high viscosity becomes. Type A and B are both used for most fluorescent microscopy applications, but Type A has a lower viscosity, which reduces any tendency to trap air causing image degradation and is easier to clean up.
• Cargille Immersion oils meet ISO standards for performance
• Available in 1/4 oz bottles
• Types A and B are used for most fluorescent microscopy applications, type NVH.
Cargille Immersion Oil is required for high magnification and to obtain sharp images with clear resolution. These Immersion oils meet ISO standards for quality. Type A (low viscosity) and Type B (high viscosity) are used for normal microscopy applications with viscosities from 150-1250 (centistokes). The greater the gap between cover glass and objective, or condenser and slide, the more desirable high viscosity becomes. Type B is recommended when there is a larger gap between your cover slip and the objective. For extremely large gaps, NVH is required.
Sturdy plastic impact car features a graduated spring scale and a slide that is displaced on impact against an obstacle. Includes activity guide.
Sturdy plastic impact car features a graduated spring scale and a slide that is displaced on impact against an obstacle. Includes activity guide.
This robustly constructed inertia demonstrator works reliably every time and is a great improvement on traditional versions of this classic experiment. A steel ball rests on a thin metal card on top of a pillar, and a spring-loaded catch is mounted next to the pillar. When the catch is released, a piston strikes the edge of the metal card sharply. The card flies out from under the ball, which remains in place on top of the pillar due to its large inertial mass. The card is tethered to the aluminum base for easy recovery after the experiment.
This robustly constructed inertia demonstrator works reliably every time and is a great improvement on traditional versions of this classic experiment. A steel ball rests on a thin metal card on top of a pillar, and a spring-loaded catch is mounted next to the pillar. When the catch is released, a piston strikes the edge of the metal card sharply. The card flies out from under the ball, which remains in place on top of the pillar due to its large inertial mass. The card is tethered to the aluminum base for easy recovery after the experiment.
• 7.5" x 3.25" insert sign for SS604M and SA150M Sign Vests
• Printed on 110 lb. card stock
• 8 legends available
• Instant cold pack to soothe injuries
• Simply squeeze to activate cold compress
• 4" x 9"
• Case of 16
• Single use only
22 Gauge insulated copper wire. 100 ft. Color: Black
22 Gauge insulated copper wire. 100 ft. Color: Black
22 Gauge insulated copper wire. 100 ft. Color: Red
22 Gauge insulated copper wire. 100 ft. Color: Red
22 Gauge insulated copper wire. 100 ft. Color: White
22 Gauge insulated copper wire. 100 ft. Color: White
36" x 24" full color laminated poster. "We can follow our dreams to distant stars...," declared President Reagan when he proposed this ambitious project in his 1984 State of the Union address. This poster provides a comprehensive overview of the program goals, how it got started, its various components, and its appearance when finished. The visiting Space Shuttle provides scale.
36" x 24" full color laminated poster. "We can follow our dreams to distant stars...," declared President Reagan when he proposed this ambitious project in his 1984 State of the Union address. This poster provides a comprehensive overview of the program goals, how it got started, its various components, and its appearance when finished. The visiting Space Shuttle provides scale.
36" x 24" full color laminated poster.
Fossils were a mystery for thousands of years; then a few pioneering scientists realized that they were the remains or traces of once-living organisms.
Well-known bone-type fossils are actually rocks, the result of a process called mineralization in which minerals replace decaying tissue. This process is shown and explained. All of the other fossil types are also explored.
The rarity of fossils is dramatically presented, and strange things sometimes mistaken for fossils are identified. There’s an introduction to fossil expeditions and a summary of how fossils contribute to our understanding of the earth and life on it.
There is an especially helpful section on the relationships between fossils and geology. It covers the principle of original horizontality, the law of superimposition, the principle of faunal succession, the geological time scale, index fossils, relative dating, and absolute dating.
All of this is conveyed through detailed illustrations showing the processes, excellent photographs of representative specimens, and interesting and informative captions. This poster is a great aid to museum interpretive programs and is extremely beneficial in the study of both life and earth sciences.
36" x 24" full color laminated poster.
This poster begins by defining a mineral. It then expands on that by exploring atoms, molecules, and crystal structure. The various crystal structures are explained. This is followed by an excellent summary of the mineral classes.
Mineral collectors and students want to identify their specimens. However, specimens of the same mineral can vary greatly in appearance, which can make that a daunting task. Identification is based on a number of properties.
This poster provides an outstanding introduction to those properties: hardness, habit, luster, cleavage, specific gravity, color, streak, and fluorescence. Illustrations are used to explain principles. Photographs of truly outstanding specimens are used as examples.
For use with Fossil Chart 16785.