Report of committee of the Franklin Institute on fire-escapes and elevators
โ Scribed by John Baird; R.K. Betts; Frederick Graff; C.H. Banes; Strickland Kneass; William D. Marks; Henry G. Morris; J.B. Lippincott; Isaac Norris
- Book ID
- 104134402
- Publisher
- Elsevier Science
- Year
- 1881
- Tongue
- English
- Weight
- 364 KB
- Volume
- 112
- Category
- Article
- ISSN
- 0016-0032
No coin nor oath required. For personal study only.
โฆ Synopsis
of tile current through the body, the conducting wires should in all cases convenient lie placed out of reach, either by choice of location or the use of heavy and guarded insulation.
8th. That where lamps of the arc type are used, they be covered with a globe of g'l.lss, and that the h)wer end of such globes be fnrnished with a cup or pan for retaining any heated fragments.
The committee believe that if these 1)recautions be taken electric lighting Call be thoroughly safe and reliable, and that all dangers attending its use can 1)(: entirely obviated.
R. E. RO(~ERS, M.D., Ch,ir~eln.
๐ SIMILAR VOLUMES
GENTLEMEN :--In the February number or" the JOURNAL for 1882, I gave to your readers a paper upon a "New Theory of the Suspension System with Stiffening Truss." In that paper .[ advocated tile use of a. truss fixed horizontally at the ends and cpntinuous at the centre, and gave the mathematical disc
## 185 examples of this method is that employed by the average photographer, who mixes his solutions by means of complex quantities approximately expressed in avoirdupois or troy weights. Very truly, JOHN TROWBRIDGE.