5 ¾” x 9 ¼” printed booklet: Annual Illustrated Circular of the National Bridge and Iron Works

5 ¾” x 9 ¼” printed booklet: Annual Illustrated Circular of the National Bridge and Iron Works. Blodgett & Curry, Proprietors, No. 46 Congress Street, Boston, Mass. Boston: Press of H. S. Cox, No. 213 Washington Street, Opposite Franklin Street. 1869. (26 pages of text and illustrations of various types of bridges built by the Company). Item B: 3” x 5 ½” engraved envelope on both sides are pictures of the Patent Arched Cantilever Bridge, as design with Roadway on bottom Chord of Lever. National Bridge and Iron Works, Office, 46 Congress Street, Boston (printed beneath pictures on both sides). (On front of envelope written in black ink is – L. F. Liscum (i.e. Liscom) Esq. Present / in pencil is written -- Instructions June 19, 1869)