1800s
1880
1883
19th
archival
archive
art
arts
belgian
belgium
benzole
building
buildings
century
city
engineering
europe
european
factory
flammable
fuel
gas
gas-works
gaseous
gasworks
ghent
historic
historical
house
houses
illuminating
industrial
interior
nineteenth
oil
old
painted
painting
paintings
pipe
pipes
piping
plant
plants
production
revolution
roelandt
supply
technology
work
worker
workers
working