Journal of the Franklin Institute, Volume 248

analysis appears application approximation assumed becomes cent chapters concepts constant continuous curve determined developed diagram direction effect elastic electrical electron energy engineering equations example field force Franklin Institute function given gives heat illustrations impact important included increase indicated industrial interest keyboard laboratory length light limit linear system load machine magnetic material means measured mechanical Medal metal method motions natural needed noted observed obtained operation period Philadelphia physical plastic position possible practical present pressure principles problems produced pulse range record reference relation resistance shown shows solution speed strain stress strokes surface Table temperature theory tion tube unit various velocity volume