[N112257], Technical Note, Francis Robbins Upton, August 11th, 1880



Preparations for lighting exhibition. "Mr Edison wishes to start 200 lamps next Friday." "Conductors. The line leading along the turnpike to be wound with three layers of cloth tarred, then wound with marlin. See that plenty of cloth and marlin are ordered and that men enough are put on the job. Seven days labor." "Machines 34 machines. Present lamp requires 115 volts machine must run 1100 revs. The exciter must run from main shaft. 3 machines probably enough since the lamps are so much higher resistance. Must run 1100 revs. The three machines in positionnow will do the busineess if changed to multiple arc which can be done in a month." fr 971 "Meters Rig meters for 2 for 20 lights Edison, Jordan; 1 for 30 lights laboratory" "Lamps Glass must have blowers. Pumps arrangement for bringing up lamps while one. Pick out lamps. Class the lamp post and number lamps accordingly. 5 classes according to distance." Fr 972 "Houses In Mrs Jordans relay the wire out of side" also Davis' Hotel, Cornish's. "Wrap wire used in (twice) in rubber tape solder joints use lead safety clutches." A few meter notes, then back to lamp tests. Fr 980 notes on ozes of fluid per hour [kerosene again?]; few sketches of lamp with vac tubes?







Folder Set



[N112257], Technical Note, Francis Robbins Upton, August 11th, 1880

Microfilm ID



Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University