catenary suspension
21Arch — For other uses, see Arch (disambiguation). A masonry arch 1. Keystone 2. Voussoir 3. Extrados 4. Impost 5. Intrados 6. Rise 7. Clear span 8. Abutment An arch is a structure that spans a space while… …
22San Francisco – Oakland Bay Bridge — Infobox Bridge bridge name = San Francisco – Oakland Bay Bridge image size = 260px caption = Western Span of the bridge at night official name = James Sunny Jim Rolph Bridge carries = 10 lanes (5 westbound on upper level, 5 eastbound on lower) of …
23DB Class 120 — Deutsche Bundesbahn Baureihe 120 DB electric locomotive 120 142 arriving at Stuttgart main station with train number IR 2565, 1995 08 11 Power type Electric Builder BBC, Henschel, Krauss …
24SNCF Class BB 15000 — Infobox Locomotive name=SNCF BB15000 powertype=Electric electricsystem=25 kV AC tractionmotors=1.5kV DC traction motors controlled by thyristors caption=BB 15014 TEE Arzens livery at the Gare de l Est builddate=1971 ndash; 1978 builder=Alsthom… …
25ICE 1 — ICE 1 Manufacturer various Constructed 1989 to 1993 Refurbishment 2005 to 2008 …
26Marquette Plaza — Southwest view of Marquette Plaza in its original configuration …
27Ripple marks — Ancient wave ripple marks in sandstone, Moenkopi Formation, Capitol Reef National Park, Utah …
28Christchurch tramway system — A Christchurch Tramway tram, Worcester Street (March 2005) Operation Loca …
29Katenoide — Eine durchhängende Kette bildet eine Kettenkurve oder Katenoide. Eine Katenoide (auch Seilkurve, Kettenlinie oder Kettenkurve, englisch catenary oder funicular curve) ist eine mathematische Kurve, die den Durchhang einer an ihren Enden… …
30Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations …
