external storage class
51Hydrogen storage — describes the methodologies for storing H2 for subsequent use. The methodologies span many approaches, including high pressures and cryogenics, but usually focus on chemical compounds that reversibly release H2 upon heating. Hydrogen storage is a …
52NZR KA class — A streamlined KA class locomotive Power type Steam Builder NZR Hutt Workshops Build date 1939 1945, 1950 …
53NZR DC class — DC 4254 in service for ARTA at Papakura. Power type Diesel electric Builder General Motors Canada (original builder) Clyde Engineering, Australia (re builde …
54Courageous class battlecruiser — Courageous as battlecruiser during World War I Class overview Name: Courageous class Operators …
55DRB Class 41 — Number(s): 41 001–366 Quantity: 366 Manufacturer: various Year(s) of manufacture: 1937–1941 Reti …
56Steel Electric class ferry — The Steel Electric Class ferries became part of the Washington State Ferry System when Puget Sound Navigation Company was acquired in 1951. They were all built in San Francisco or Oakland in the 1920s.HistoryThe Steel Electric class ferries were… …
57NZR DQ class — DQ / QR class DQ 6324 at Palmerston North, New Zealand Power type Diesel electric Builder Commonwealth Engineering, Rocklea, Queensland, Australia …
58Olympic class ocean liner — Belfast, Ireland, 6 March 1912: Titanic (right) had to be moved out of the drydock to allow her sister Olympic, which had lost a propeller blade, to have it replaced. Class overview Builders …
59Courageous class aircraft carrier — HMS Glorious in the early 1930s Class overview Name: Courageous class Operators …
60Derfflinger-class battlecruiser — SMS Derfflinger Class overview Name: Derfflinger Operators …
