Valve for a multi-color development system

Variable contrast optical screening system

Variable definition projection systems

Variable illumination optical system

Variable magnification copying apparatus

Variable magnification copying apparatus

Variable magnification copying apparatus

Variable magnification copying apparatus

Variable magnification copying apparatus with margin erase

Variable magnification electrostatic copying apparatus

Variable magnification image forming apparatus

Variable magnification optical apparatus

Variable magnification slitwise exposure process and apparatus t

Velocity compensation for bead bypass

Velocity compensation for bead bypass with speed reduction

Venting system for the developer housing of an electrostatic cop

Vernier belt tensioning system for a photocopying machine

Vertically oriented photoconductive drum

Very high speed duplicator with finishing function

Visual display apparatus