US$ 29.99
4A rear-panel fuse
Zinc alloy natural gas Bunsen burner with flame stabilizer ships with a 2-foot neoprene gas hose for quick bench hookup in chemistry classrooms
Ceramic center on each 5 x 5-inch iron wire gauze square spreads Bunsen flame heat beneath beakers and flasks
this super-taster set pairs PTC
Decade Resistance Box, 4 Decades, 0-11,110 Ohms Material_Muslin 4A rear-panel fuseSelected through four rotary switch decades from 0 to 11,110 ohms at 1 ohm resolution, this decade resistance box substitutes for fixed resistors in circuit experiments.
US$ 29.99
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