Rectangular Refraction Glass Block, 125 x 65 x 18mm Lab Supplies_Spring Scales 25-inch gear train simple-machine model

25-inch gear train simple-machine model arrives ready to use with no assembly required

Used to detect microvolt-scale signals from thermocouples and bridge circuits

Cork-lined jaws on this two-prong universal clamp grip glassware without scratching

Fine 40-60 mesh iron filings in a 100-gram sprinkle bottle

the slightly wider apex stepping deviation up from the 5° wedge while keeping the thin-prism form factor

Rectangular Refraction Glass Block, 125 x 65 x 18mm Lab Supplies_Spring Scales 25-inch gear train simple-machine modelLong format 125 by 65 by 18mm glass rectangular refraction block, the longest working face in the line stretching beam travel for class front lateral displacement demos.