Two William E. Stieren Surveyor's Transits, Pittsburgh, Pennsylvania, 10-in. scopes with spirit levels below mounted to A-frame supports, both marked on engraved compass dials with maker's name and city, and in fitted dovetailed boxes. Provenance: Robert Miller Collection. Estimate $500-700 Items may have wear and tear, imperfections, or the effects of aging. Any condition statement given, as a courtesy to a client, is only an opinion and should not be treated as a statement of fact. Skinner shall have no responsibility for any error or omission.