Microscope Slides with Single Concavity, 10-Pack Material_Plastic levitating above one another when

levitating above one another when oriented with like poles facing

Seven hand-painted removable parts expose atria

Hand-cranked to convert mechanical work into electrostatic energy

Eight aluminum-shank tuning forks tuned to scientific pitch (C4 = 256Hz) and ranging from 5 9/16 to 7 1/8 inches

this three-finger lab clamp pairs vinyl-coated prongs with a swivel bosshead for flexible rod mounting

Microscope Slides with Single Concavity, 10-Pack Material_Plastic levitating above one another whenSlotted with a central well on each glass, these concavity microscope slides hold liquid samples for hanging drop preparations and observation of specimens in suspension.