11. Prominent landmarks of the Bovisa include large abandoned gas holders that sparsely punctuate its skyline. 12. The facility was the largest gas holder in the U . S . west of Chicago. 13. The Dresden Panometer occupies a disused telescopic gas holder in Reick, built in 1879 80. 14. The company had a technological edge, with their manager Tait inventing the telescopic gas holder . 15. The British Ordnance Survey have marked gas holders on their large scale maps-calling them Gasometers. 16. William Gadd of Gadd & Mason, from Manchester invented the spirally guided gas holder in 1890. 17. Newgass could only enter the gas holder with the aid of breathing apparatus supplying oxygen via cylinder. 18. The offices were still used for administrative purposes and the gas holders were used to store gas. 19. Having been literal rather than legal landmarks, the two huge gas holders were completely removed by 2001. 20. This view was supported by London Fire Brigade, who listed the gas holders as a hazardous site.
