Stamped steel base. Black enamel finish. Zinc plated, detachable rod. 6" x 9" base
Stamped steel base. Black enamel finish. Zinc plated, detachable rod. 6" x 9" base
Replacement Belt for Van de Graaf Generator
Replacement Belt for Van de Graaf Generator
If you already own a checker, this replacement electrode will fit any checker.
If you already own a checker, this replacement electrode will fit any checker.
10 kinds of Resistances mounted on a box type plastic base. Ideal for introduction of resistance in a circuit. 5, 10, 15, 200, 470, 1K, 2K, 10K, 50K and 100k resistances. Connection by 4mm sockets. 8"(200mm) x 5"(125mm) x 1"(25mm).
10 kinds of Resistances mounted on a box type plastic base. Ideal for introduction of resistance in a circuit. 5, 10, 15, 200, 470, 1K, 2K, 10K, 50K and 100k resistances. Connection by 4mm sockets. 8"(200mm) x 5"(125mm) x 1"(25mm).
Excellent reference collections and a valuable aid in identifying and comparing common and rare rocks and minerals. These mounted collections display common minerals and igneous, sedimentary and metamorphic rocks. Specimens are 1/2"-1". Rocks and Minerals Study Guide included. Grades 5-12. Ages 10-18.
These 4" wide Vinyl, pressure-sensitive, die-cut arrows come ready to apply. Sold in rolls of 100 in 5 colors.
These 4" wide Vinyl, pressure-sensitive, die-cut circles come ready to apply. Sold in rolls of 100 in 5 colors. Colors may vary slightly from colors shown.
- ANSI Class R2 lime vest.
- Flame Retardant treated polyester mesh background material
- 2 pockets- 1 exterior chest, 1 interior bottom
- Zipper closure
- Conforms to ANSI/ISEA 107 standard for design, color and reflectivity.
- Does not comply with the flame resistant requirements of ANSI 107-2015 as an FR garment.
- ANSI Class R2 lime vest.
- 100% polyester mesh.
- Mic tabs on both shoulders
- Two exterior waist pockets with Velcro closure
- Two exterior chest pockets
- Two interior waist pockets
- Zipper closure
- Conforms to ANSI/ISEA 107 standard for design, color and reflectivity.
These belts offer superior visibility at a reasonable price. Made of strong nylon webbing with Velcro for size adjustment. Available in 4 colors and 4 sizes.
Small = Waist sizes 26" to 30"
Medium = Waist sizes 25" to 32"
Large = Waist sizes 30" to 36"
X-Large = Waist sizes 36" to 44"
2X/3X = Waist sizes 44" to 52"
4X/5X = Waist sizes 48" to 56"
These Safety Patrol Belts have Avery HV 1200 high visibility reflective vinyl stripes, and offer superior visibility at a reasonable price. Made of strong nylon webbing with hook and loop closure for size adjustment. Available in 4 colors and Sizes.
Small = Waist sizes 26" to 30"
Medium = Waist sizes 25" to 32"
Large = Waist sizes 30" to 36"
X-Large = Waist sizes 36" to 44"
2X/3X = Waist sizes 44" to 52"
4X/5X = Waist sizes 48" to 56"
These belts have a high visibility fluorescent strip and offer superior visibility at a reasonable price. Made of strong nylon webbing with Velcro for size adjustment. Available in 4 colors and 4 sizes.
Small = Waist sizes 26" to 30"
Medium = Waist sizes 25" to 32"
Large = Waist sizes 30" to 36"
X-Large = Waist sizes 36" to 44"
2X/3X = Waist sizes 44" to 52"
4X/5X = Waist sizes 48" to 56"
• The traditional 5-panel cap
• 100% polyester front.
• Seamless foam front panel with lining.
• 8 row stitching on visor.
• Matching fabric undervisor, sweatband, and braid plastic adjustable snap.
• Orange or Yellow
• Available with or without Safety Patrol Emblem
This orange cap has a 100% polyester front. The traditional 5-panel cap has a seamless foam front panel with lining. 8 row stitching on visor. Matching fabric undervisor, sweatband, and braid plastic adjustable snap.
This is the Traditional Scale of Hardness Collection and a Test Kit. Includes Streak Plate, Penny, Glass Plates, Nail and nine specimens 1" x 1.5" number coded. Grades 6-12. Ages 11-18.
This is the Traditional Scale of Hardness Collection and a Test Kit. Includes Streak Plate, Penny, Glass Plates, Nail and nine specimens 1" x 1.5" number coded. Grades 6-12. Ages 11-18.
Versatile, polypropylene containers are graduated in ounces and milliliters. Graduated to 2 ounces.
Big, for teaching the basic concept of generating electricity electrochemically. Consists of a chemically inert plastic jar with plastic cap fitted with Zinc and Copper plates fitted to terminals. Instructions included.
Big, for teaching the basic concept of generating electricity electrochemically. Consists of a chemically inert plastic jar with plastic cap fitted with Zinc and Copper plates fitted to terminals. Instructions included.
Strong wooden frame, with hinged cover. Slides fit into numbered beveled slots. Printed index lines the cover.
Strong wooden frame, with hinged cover. Slides fit into numbered beveled slots. Printed index lines the cover.
Strong wooden frame, with hinged cover. Slides fit into numbered beveled slots. Printed index lines the cover.
Strong wooden frame, with hinged cover. Slides fit into numbered beveled slots. Printed index lines the cover.
• Constructed of heavy-duty vinyl
• School Safety Patrol emblem on both sides
• Stitched fabric edges
• Elastic side straps
• Slip easily over a jacket or coat
• Easily cleaned with a damp cloth
• Available in 3 sizes and 2 colors
These Slip-Over Safety Patrol Capes are constructed of heavy-duty vinyl and screened on both sides with our School Safety Patrol emblem. The durable vinyl material is easy to clean with a damp cloth. They have stitched fabric edges and elastic side straps. These capes will easily slip over a jacket or coat. Available in 3 sizes and colors.
Small
14 ½" Across should to shoulder
16" From Shoulder to hem
Medium
15" Across should to shoulder
22" From Shoulder to hem
Large
17" Across should to shoulder
27" From Shoulder to hem
Replacement filters for the "Effects of Smoking Kit." Contains 25 filters.
12 3/4" Wide x 10 1/2" Long Printed on One Side These directional reinforcement devices give supplemental standard warnings and directions creating safer traffic control in the school area. Installs in seconds and firmly locks in place. Reusable, All-weather ABS plastic with UV. Used by thousands of schools, cities and utility companies.
12 3/4" Wide x 10 1/2" Long Printed on One Side These directional reinforcement devices give supplemental standard warnings and directions creating safer traffic control in the school area. Installs in seconds and firmly locks in place. Reusable, All-weather ABS plastic with UV. Used by thousands of schools, cities and utility companies.