41. Postcard of the A.J.H. Turner Iron Work, Isle au Haut, Maine, undated Format: Postcards/Cards; Photographs Collection: Ephemera collection (EP001) Institution: Historic New England
42. Shapes of rolled iron for buildings, bridges and ships,The Passaic Rolling Mill Co., Paterson, New Jersey, July 1877 Format: Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
43. Trade card for Elm Refining Co., Inc., refiners of precious metals, Stamford, Connecticut, undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
44. Trade card for Fitts' Genuine Babbitt Metal, Frank E. Fitts Mfg. & Supply Co., 88 Purchase and 166 Oliver Streets, Boston, Mass., undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
45. Trade card for F.S. Dawes, leather, cloth and paper cutting dies, Hudson, Mass., undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
46. Trade card for Geo. Dunbar & Co., dealers in supplies for railroads, mills and manufactories, No. 134 Congress Street, Boston, Mass., undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
47. Trade card for Harrington, Robinson & Co., rolled iron and steel, 272-276 Franklin Street, Boston, Mass., undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
48. Trade card for Hicks & Badger, manufacturers of all kinds of copper work, Nos. 49 & 51 Pitts Street, Boston, Mass., undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
49. Trade card for McClure & Co., tin plate manufacturers, Washington, Pennsylvania, undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
50. Trade card for McLagan, Stevens & Bradley, iron founders and machinists, corner Howard Street & Whitney Avenue, New Haven, Connecticut, undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
51. Trade card for New England Brass Works, Sullivan & Robinson, 37 Pitts Street, Boston, Mass., undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
52. Trade card for New York Aluminum Bearing Metal, Sam'l Kidder, 60 Federal Street, Boston, Mass., undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
53. Trade card for Patrick Graney, tin-plate & sheet iron worker, 1221 Tremont Street, Boston, Mass., undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
54. Trade card for Prince & Clark, tin plate and sheet iron workers, Cambridge Street, East Cambridge, Mass., undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
55. Trade card for Richard French Iron Works, wrought and cast iron work, 82-84 Union Street, Worcester, Mass., undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
56. Trade card for Smith & Lovett Co., builders' iron work, 125 to 129 Albany Street, Boston, Mass., undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
57. Trade card for Springfield Gas Machine, Boston office, 117 & 119 Court Street, Boston, Mass., undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
58. Trade card for the Boston Lightning Rod Company, 755 Boylston Street, Boston and 1185 East Street, Dedham, Mass., undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
59. Trade card for the Boston Nickel Plating Co., 13 & 15 Bowker Street, Boston, Mass., undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
60. Trade card for the Boston Nickel Plating Co., japanning, plating, 160 Portland Street, Boston, Mass., undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England