Sash windows are handy type of window within the uk. A sash window is often a sliding window that opens vertically. The concept of the sash window came into being in morrison a pardon 1600's and this is attributed to Robert Hooke, an English inventor from the time. Many Victorian and Georgian houses have sash windows, usually in styles style that is two frames, each with 6 panes of frosted glass. Sash windows can be opened a crack and will not fall to be able to their original position this…