US$ 133.72
Used to position a fine point object on the optical bench
Larger 250 x 46mm solenoid drawing 12V at 6A
the leaded body delivering pronounced spectral separation for comparing dispersion against crown and flint baselines
and specific gravity exploration across physics and chemistry
Polaroid film 45 x 23mm sits in 50 x 50mm plastic frames as a matched pair
Introduction to Chemical Equations Educational Kit ag sci Used to position a fineHands on chemical equations kit with reaction materials and a teacher's guide, letting students observe real reactions and translate observations into balanced equations during intro chemistry.
US$ 133.72
US$ 54.84
US$ 56.78
US$ 49.74
US$ 153.28
US$ 26.67
US$ 132.24
US$ 34.99
US$ 12.69
US$ 159.58
US$ 31.99