$59
Stainless Steel and Glass Westphal Balance, W. M. Welch Scientific Company, Chicago, Illinois, 20th century, the post supports the arm numbered 1-9, which balances on a fulcrum and suspends interchangeable weights in the glass beaker, in fitted case, ht. 8 in.
Auctioneer:
Skinner
Date:
2011-07-16