Vol. 25, no. 1-2 incorrectly numbered v. 24, no. 1-2.Issues for July 1, 1838-Dec. 1886 called also whole no. 313-2583 (July 1, 1838-Feb. 1843 called also new ser., v. 1-10, no.2; Mar. 1843-Dec. 1844 called also 3d ser., v. 1, no. 3-v. 2, no. 12; Jan. 2, 1845-Mar. 31, 1883 called also 2d quarto ser., v. 1-39, no. 13); 1887- called also new ser., v. 1- .Suspended Jan.-June 1838.Mode of access: Internet.Absorbed Mechanics' magazine in July 1838; Van Nostrand's engineering magazine in Jan. 1887; National car and locomotive builder in Jan. 1896; Railway master mechanic, ISSN 0098-1591,in Sept. 1916; Boiler maker and plate fabricator, ISSN 0096-3550,in July 1937; Railway electrical engineer, ISSN 0098-1583, in Jan. 1943