Refine
view allPrice Range
Main menu
-
- ANSI Class 2 Products (20)
- ANSI Class 3 Products (8)
- ANSI Class E Products (6)
- Armbands (10)
- Buttons (11)
- Gloves (6)
- Hats & Caps (9)
- Helmets (8)
- Jackets (16)
- Pants (Reflective) (6)
- Pinnies (7)
- Rainwear (12)
- Safety Patrol Belts (5)
- Safety Vests (47)
- Slip-Over Capes (3)
- T-Shirts (8)
- Winter Apparel (23)
- Women's Apparel (6)
-
- Aluminum Traffic Signs (Regular) (81)
- Aluminum Traffic Signs (Reflective) (75)
- Cone Top Sign Holder & Street Sign Sets (4)
- Crosswalk Signs (12)
- Floor & Sidewalk Signs (64)
- Impact Recovery System Signs (6)
- Maintenance Signs (7)
- Paddle & Wand Signs (10)
- Reversible Signs (20)
- School Bus Safety Signs (23)
- Sign Posts & Bases (13)
- Snap-On Cone Signs (28)
- Steel Sign Holder (3)
- Stop Signs (26)
- Vinyl Cone Sign Kits (19)
- Wet Floor Signs & Cones (5)
-
- Astronomy (12)
- Biology (40)
- Books (19)
- Botany (13)
- Bunsen Burners (11)
- Chemistry (107)
- Dissecting Kits & Specimens (36)
- DVDs (55)
- Earth Science (65)
- Electricity (76)
- Glassware / Plasticware (49)
- K'Nex Technology Kits (2)
- Lab Equipment (20)
- Lab Stands & Accessories (21)
- Lab Tools (37)
- Lab Trays & Test Tube Racks (17)
- Life Science (39)
- Light & Color (44)
- Microscopes (15)
- Magnetism (45)
- Magnifiers (15)
- Physics (54)
- Porcelain (6)
- Robotics (32)
- Science Fair (4)
- Sound & Waves (8)
- STEM (36)
- Thames & Kosmos Science Kits (45)
- Thermometers (11)
- Weather & Climate (17)
Electroscopes
4 products

Features a metal case with front and rear glass windows for preventing air currents from affecting the deflection of the leaves. Leaves are gold and aluminum. Leaf support rod is held in place by an insulating plastic sleeve. Graduated scale is provided for measuring the deflection from 0 to 90 degrees. Includes instructions. Dimensions: 6"x4"x 8".
Features a metal case with front and rear glass windows for preventing air currents from affecting the deflection of the leaves. Leaves are gold and aluminum. Leaf support rod is held in place by an insulating plastic sleeve. Graduated scale is provided for measuring the deflection from 0 to 90 degrees. Includes instructions. Dimensions: 6"x4"x 8".

Used as the leaves of an electroscope. Consists of a pair of pith balls attached to ends of two strings which hang from hook mounted on insulated pillar on a stable metal tripod base.
Used as the leaves of an electroscope. Consists of a pair of pith balls attached to ends of two strings which hang from hook mounted on insulated pillar on a stable metal tripod base.
Refine
view allPrice Range
Main menu
-
- ANSI Class 2 Products (20)
- ANSI Class 3 Products (8)
- ANSI Class E Products (6)
- Armbands (10)
- Buttons (11)
- Gloves (6)
- Hats & Caps (9)
- Helmets (8)
- Jackets (16)
- Pants (Reflective) (6)
- Pinnies (7)
- Rainwear (12)
- Safety Patrol Belts (5)
- Safety Vests (47)
- Slip-Over Capes (3)
- T-Shirts (8)
- Winter Apparel (23)
- Women's Apparel (6)
-
- Aluminum Traffic Signs (Regular) (81)
- Aluminum Traffic Signs (Reflective) (75)
- Cone Top Sign Holder & Street Sign Sets (4)
- Crosswalk Signs (12)
- Floor & Sidewalk Signs (64)
- Impact Recovery System Signs (6)
- Maintenance Signs (7)
- Paddle & Wand Signs (10)
- Reversible Signs (20)
- School Bus Safety Signs (23)
- Sign Posts & Bases (13)
- Snap-On Cone Signs (28)
- Steel Sign Holder (3)
- Stop Signs (26)
- Vinyl Cone Sign Kits (19)
- Wet Floor Signs & Cones (5)
-
- Astronomy (12)
- Biology (40)
- Books (19)
- Botany (13)
- Bunsen Burners (11)
- Chemistry (107)
- Dissecting Kits & Specimens (36)
- DVDs (55)
- Earth Science (65)
- Electricity (76)
- Glassware / Plasticware (49)
- K'Nex Technology Kits (2)
- Lab Equipment (20)
- Lab Stands & Accessories (21)
- Lab Tools (37)
- Lab Trays & Test Tube Racks (17)
- Life Science (39)
- Light & Color (44)
- Microscopes (15)
- Magnetism (45)
- Magnifiers (15)
- Physics (54)
- Porcelain (6)
- Robotics (32)
- Science Fair (4)
- Sound & Waves (8)
- STEM (36)
- Thames & Kosmos Science Kits (45)
- Thermometers (11)
- Weather & Climate (17)