BioReagent 98% DNase/RNase-Free Sodium Phosphate Monobasic Monohydrate, 2.5kg Chemical_Gelatin Tightly wound 700-turn copper coil

Tightly wound 700-turn copper coil on a small air-core former

Tandem double plastic pulley pairing 38mm and 50mm low-friction wheels on an open-sided steel frame

12mm thick with a 20mm diverging focal length

Carefully lagged nickel-plated copper 3 by 2-inch inner cup inside a 4 by 2

this Jolly's photometer turns the inverse-square law into a measurable observation

BioReagent 98% DNase/RNase-Free Sodium Phosphate Monobasic Monohydrate, 2.5kg Chemical_Gelatin Tightly wound 700-turn copper coilDNase RNase free BioReagent monobasic sodium phosphate monohydrate at >=98% purity in a 2. 5kg pack, the molecular biology grade hydrated acidic phosphate buffer for nucleic acid work.