US$ 16.00
this Jolly's photometer turns the inverse-square law into a measurable observation
250mL CAPACITY || Single Erlenmeyer Flasks with 250mL capacity and easy-to-read white enamel graduations every 50mL
Hands-on fold-and-fault model with manipulable rock strata
and twelve 50g slotted weights for vector-addition work
Set of 20 Metallic Ores, Cardboard Box Pack Size_15 this Jolly's photometer turns theSet of 20 metallic ores supplied in cardboard box . Set of 20 metallic ores supplied in cardboard box . Each specimen labelled with name.
US$ 16.00
US$ 48.00
US$ 14.00