|
DE592862C
|
|
Lantern for directional lighting
|
|
US1798088A
|
|
Open glass box-shaped building element
|
|
US1868236A
|
|
Glass building-stone, tile or like building element
|
|
US1786371A
|
|
Lighting fixture
|
|
GB305997A
|
|
Improvements in reflectors
|
|
DE539085C
|
|
Lighting fixtures
|
|
GB201880A
|
|
Process of preparing a stone-like material
|
|
GB136518A
|
|
Improvements in the Manufacture of Narrow-mouthed Hollow Glass Articles and in Apparatus to be used therein.
|
|
GB127450A
|
|
Apparatus for the Manufacture of Hollow Glass Articles.
|
|
US1366745A
|
|
Glass-furnace
|
|
DE362776C
|
|
Tank furnace for melting glass, especially for liquid fuels
|
