Sodium light source, 20W low pressure discharge lamps for spectral work. Delivers approximately 350 lux at 20 cm and more than 90% of the light is concentrated in the doublet at 588.9/589.5 nm. Faint lines of the mercury spectrum are also visible.
GHS Mini Pictogram Label Sheets and Rolls - Toxic, 3/4 In x 3/4 In 500/roll, Vinyl GHS labels stick to any kind of surface - be it flat or curved, White, Label has white background with red border and black graphics
Semi-Micro Spoon, Versatile laboratory spoon, Nickel-plated spoon, Plasticized handle, Perfect for most sensitive laboratory applications where only a small amount of material is needed, Length: 6-1/2in
Game Adding & Subtracting 3-Digit Numbers Learning Center-Grade 3-5, features a Curriculum Mastery Game with 30 illustrated, topic-specific question cards; 1 laminated game board; and materials for four players; Write-On/Wipe-Off
Game Adding & Subtracting Number Sense Learning Center-Grade 3-5, features a Curriculum Mastery Game with 30 illustrated, topic-specific question cards; 1 laminated game board; and materials for four players; Write-On/Wipe-Off
Game Nonlinear Function Theory Learning Center-Grade 6-9, features a Curriculum Mastery Game with 30 illustrated, topic-specific question cards; 1 laminated game board; and materials for four players; Write-On/Wipe-Off activities
Game Introduction to Probability Learning Center-Grade 6-9, features a Curriculum Mastery Game with 30 illustrated, topic-specific question cards; 1 laminated game board; and materials for four players; Write-On/Wipe-Off activities
Game All About Decimals Learning Center-Grade 3-5, features a Curriculum Mastery Game with 30 illustrated, topic-specific question cards; 1 laminated game board; and materials for four players; 4-panel and visual guide, Write-On/Wipe-Off activities
Game Applying Percents Learning Center-Grade 6-9, features a Curriculum Mastery Game with 30 illustrated, topic-specific question cards; 1 laminated game board; and materials for four players; 4-panel and visual guide, Write-On/Wipe-Off activities
Game Integers Exponents Learning Center-Grade 6-9, features a Curriculum Mastery Game with 30 illustrated, topic-specific question cards; 1 laminated game board; and materials for four players; 4-panel and visual guide, Write-On/Wipe-Off activities
Game Ordinal Numbers Learning Center-Grade 1-2, features a Curriculum Mastery Game with 30 illustrated, topic-specific question cards; 1 laminated game board; and materials for four players; 4-panel and visual guide, Write-On/Wipe-Off activities
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