US$ 20.00
the workhorse high-impedance unit for low-current voltage-divider and signal-conditioning work
with instruction manual for construction
Three-step differential pulley with a 0
5-inch stem for mounting on a standard retort stand
and specific gravity exploration across physics and chemistry
Chemiluminescence Blood Stain Detection Forensic Kit Botany_Botany Charts & Models the workhorse high-impedance unit forChemiluminescence blood detection kit demonstrates forensic investigation through luminol chemistry, oxidation reactions, and crime scene analysis.
US$ 20.00
US$ 11.50
US$ 39.50