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Posted

Its commonly known that there is a subtle difference in the M38/M40 as can be seen below, but...

m38%201942%20and%201943.jpg

Did anyone realise that there is also a very subtle difference in the M19 too?

Below is a picture I've just taken of the M19 (1941), and M19 (1942) telescopes, no idea as to why this would have been changed, but what the hay?

m19%201941%20and%201942.jpg

Posted

Interesting... That missing little chunk has always intrigued me. Perhaps they found smooth and round was to hard to turn in gloves?

Posted

The earlier model has that piece of banding round it in the same way as the 1942 one, all I can think of it was adjusted to make that bit fit easier for whatever purpose it served?

Posted

Alas I'm sorry Michael but these two are for my Sterling as are the two M38s

I've got It nicely configured now so I can change the scopes, rails and Hengslers round so it can look different as my mood dictates.

Posted (edited)

Anyone know how to add a PDF to this forum?

I've got a great little document about US tank optics. It's a bit hard to follow as the document is more on the periscopes the scope was used in.

M38, M40 and M19 etc are mentioned and shown in the periscope housing

 

M19 and M19A1, M19A1 is a limited edition scope :)

 

It mentions something to do ith the change if the scope was hit by a bullet they had to be taken out easily, rather than wreck the whole periscope assembly :)

There's also mention to the antitank reticule being important as thats what the soldiers had been trained with. They changed it, but changed it back

 

M19A1 used in Medium tank M3 (M19 is different as it does not have an opening to allow for illumination, it had an electrical illumination)

M38A2 used in Medium tank M4 series

M40A2 used in Light tanks M3 M5 M5A1 series.

Edited by john danter
Posted

That looks like an interesting read just downloaded a copy. Nice bit of light reading to be had.

I've got something else about scopes. I downloaded it sometime ago from the interweb, coud this be it?

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