US$ 26.00
Epoxy-coated steel wire test tube rack with 80 holes in an 8 by 10 layout
Single-decade resistance box stepping from 1k ohm to 10k ohms in 1k-ohm increments on a rotary dial
the simple mount steadying optics elements at bench height for refraction
Solid wooden resonance box mounts four steel forks tuned to C 256Hz
Non-Vented Wide Mouth LDPE Squeeze Rinse Wash Bottle for Plant Watering, 500mL Subcategory_Health and Genetics Epoxy-coated steel wire test tubeBuilt for plant and succulent watering, this 500mL wide mouth LDPE squeeze rinse bottle features a non vented cap for controlled directed dispensing.