Max your computer has the capability of typing with unlauts you on the other hand may not, for instance ü press and hold the alt key and type 129 at the same time this will give you ü have a butchers on tinternet and you will find how to type umlauts.
In Germany Köln is always spelt and pronounced in this way but in English it’s always been Cologne the same with München – Munich it has nothing to do with victors writing history for instance Liège in Belgium is called Liage in English Luik in Dutch and Lüttich in German the two latter are signposted from Holland and Germany as Luik and Lüttich but once you cross the border it changes to Liège.

Back on track Strathcona, best thing to do is study the pictures this film was done in more than one take least ways of the Pershing the Panther and Sherman on the other hand was done in one take, the day after this incident the film crew re-enacted the event to show the Pershing in action but it would be the usual stuff such as bead rolls ammunition boxes ETC