1. Gas lamps became obsolete when electric lighting was invented.

2. The gas lamp gradually lost ground to electric lighting.

3. Less electric lighting in offices could therefore lead to further savings on air conditioning.

4. New electric lighting was installed in the cellars, soon to become the air-raid shelters.

4. Wish you will love and make progress everyday!

5. Electric lighting was still considered a daring innovation when it was installed in my grandfather's house.

6. Sales of production - class products of electric lighting.

7. His invention proved that electric lighting would be the future light of the world.

8. In the coming months electric lighting will be further extended.

9. Later, electric lighting was installed and hooked into the camp's electrical grid.

10. Lighting systems in working offices, lit by electric lighting and daylight guidance, were surveyed.

11. The development of electric lighting source industry puts a higher demand on lighting gases.

12. It is also urges the effective use of electric lighting.

13. We have electric lighting equipment for many years the manufacture and transformation of experience.

14. Electric lighting replaced limelight in the late 19 th century.

15. The site also offers modern toilet and washing facilities for campers, and tents have electric lighting.

16. Usually identify the printing inks have sunlight, fluorescent light source and electric lighting.

1. Gas lamps became obsolete when electric lighting was invented.

2. The gas lamp gradually lost ground to electric lighting.