Any wooden window frame with a single glass is easy to turn into a double, having received a kind of glazing is not worse than common now brand.
This will require a brace or composite rod-the glass bead and a slightly larger format than is setup in the window so that you can lay on the frame and press with rail, bothering and seal with a rubber strip or putty.
Recommend to read
THE KEY TO THE LOCK — UP RESISTOR
In the fourth issue of the journal for the year 1978, published schemes of electric locks with a "secret". They all work well, but they, in my opinion, there is one drawback: the locks...
A LARGE TORPEDO
As a result of mass repressions of 1937 -1938. considerably thinned the ranks of skilled workers, research institutions, including creating new military equipment. With the acute...
