Economy apparatus consists of a pair of optically polished glass plates, one plane and the other plano-convex mounted together in a baked black enamel finish metal frame. Pressure between plates is adjustable by three plated brass screws.
New Product
ORDER
We are currently unable to calculate your contract price for this item. List price is being displayed temporarily. When your order is processed, you will be invoiced at your contract price even though list price is displayed now