[LB007622], Letter from Thomas Alva Edison to Popular Science Monthly, June 29th, 1882
https://edisondigital.rutgers.edu/document/LB007622
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Title
[LB007622], Letter from Thomas Alva Edison to Popular Science Monthly, June 29th, 1882
Editor's Notes
Referring to yours of 23d inst.##[Our] Companies run on both sides of the street. We are no more [Eips] or open any more trenches than they do but of course we use two conductors in a tube at cost 26 cents per sonna for copper. [For] [f---] costs at most one forth that of the gramms.##[Now] [Two] Gas companies all have immence furnaces independent of their mains so as to keep the pressure constant.##In [prestin] 2000 standard candle are equal to any 1000 feet of gas sold in New York as hundreds of [text illegible]than if requires in practice [seven & one half feet of gas to give sixteen candles when the gas is from 20 to 24 candles, and [light to light] & a half when 10 candles gas is used while with new [business] with pressure exactly fitted for steam about 14 candles can be obtained from 16 candles gas this is an invariable condition in practice.##The burners after three or four weeks change the pressure [is] [wrong]#3We have a test apparatus you can verify this if you [so] desire##The 200 millions would supply say 45000 burners for 3 hours (average daily for 300 days
Author
Recipient
Date
1882-06-29
Type
Folder/Volume ID
LB007-F
Microfilm ID
80:700
Document ID
LB007622
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University