Window Replacement 63 Ambassador
Greetings Ron and Tony!
If all that is missing are the glass panes in the window frames, the project of glass replacement may not be too complex because as Remco said the glass is standard flat tempered glass. If, however, the frames or any of the window pieces other than the crank operators are missing, then you have a potential major headache on your hands as the crank mechanisms and window latches are about the only pieces that are readily available so far as replacement pieces are concerned. It can also be a bit difficult to find the window mounting gaskets that were used in coaches of this period - - have been trying to find suitable replacements for mine since a hail storm damaged the plastic beads on many of the windows. If the jalousied window next to the entry door is missing any of its parts, crank mechanisms, or window retainers; expect difficulties as these are virtually impossible to find - - sometimes the retainers can be found at a mobile home repair center that does work in an area with many mobile homes from the 1950s and 1960s.
The one place where you might want to consider Lexan or another "space-age" acrylic would be in the front window. The towing experience is much enhanced by the see-through characteristic of coaches of this era if there isn't a stone guard to keep you from seeing through the center of the coach with your tow vehicle's (center) rearview mirror (only works with truck based tow vehciles).
Kevin D. Allen
WBCCI (Lifetime Member)/VAC/Free Wheelers #6359
1964 Overlander International/1999 GMC K2500 Suburban (7400 VORTEC/4.11 Differentials)
1978 Argosy Minuet 6.0 Metre/1975 Cadillac Eldorado Convertible (8.2 Liter V8/2.70 Final Drive)