US$ 99.00
and storage between uses at the laboratory bench
Eight aluminum-shank tuning forks tuned to scientific pitch (C4 = 256Hz) and ranging from 5 9/16 to 7 1/8 inches
these concavity microscope slides hold liquid samples for hanging-drop preparations and observation of specimens in suspension
this polypropylene graduated cylinder set is Class B-tolerant
including sp3
Single Contact Morse Code Key Base_Octagonal and storage between uses atPlated spring arm with press knob and a single contact stud, configured to make and break a circuit at the rhythm of a Morse code transmission for telegraph history demonstrations.
US$ 99.00
US$ 17.95
US$ 17.95
US$ 89.00
US$ 89.00
US$ 99.00