This section is from the book "The Boy Mechanic Vol. 2 1000 Things for Boys to Do", by Popular Mechanics Co.. Also available from Amazon: The Boy Mechanic, Vol2: 1000 Things for Boys to Do.
To make it easy to raise and lower the upper sash of a bathroom window which is behind the bathtub I devised the following: Procuring two screw-eyes I opened one sufficiently to slip it into the other as shown at A. Then
Ill: The Stick is Fastened to the Window Sash with Screw-eyes and is Always Ready for Use
One was screwed into the top rail of the sash and the other into the end of a light stick a little longer than the length of upper sash.
The device is left on the window permanently and affords a ready means of handling the sash without stepping into the bathtub, which would otherwise be necessary. - Contributed by W. E. Morey, Chicago.