H4
H4 or H 4 stands for:
- Alstom Prima H4 , a 4-axle locomotive
- H4 (Paralympics) , a starting class at the Paralympics
- Histone H4 , one of the five major histone proteins of chromatin in eukaryotic cells
- H4 (Slovenia) , an expressway in Slovenia
- H4 halogen bulb for vehicle headlights, see vehicle headlights #Light sources
- a pioneering watch by John Harrison (watchmaker) (1693–1776)
- Inter Islands Airlines (IATA code), airline in Cape Verde
- Nationality mark for aircraft from the Solomon Islands
H-4 stands for:
- Hughes H-4 , American aircraft
See also:
