Description

Spans 175 by 25mm on a wooden mounting block

Nine-piece hooked weight set with seven polished brass and two powder-coated steel masses spanning 10 to 1000 grams

Long-focal double-convex glass lens at 75mm diameter and 250mm focal length

Used to step a class through wave superposition and beat frequencies

25-Pack 11 x 17 inch Periodic Table Posters with 2016 New Elements Biology Kits Spans 175 by 25mm onClassroom reference periodic tables in a 25 pack on 11x17 inch paper, including the four 2016 named elements (Nh, Mc, Ts, Og) plus electron configuration, electronegativity, and ionization energy.

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25-Pack 11 x 17 inch Periodic Table Posters with 2016 New Elements Biology Kits Spans 175 by 25mm on

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