Range finder ???????

[ken68]

Hi all can anyone tell me what these were used for , I'm totally stumped

Thanks Ken

 

[Slick]

Does it have a ranging reticle? Set or variable power?

 

[butterfly]

according to this listing it is for flash spotting.....

http://www.ebay.com/itm/RARE-WWII-F...4-Mark-III-Artillery-Binoculars-/191066443778

more info http://www.royalartilleryunitsnetherlands1944-1945.com/flash-spotting-instr.html

regards Kev

 

[ken68]

Thank you so much its been a headache searching on line lol

Cheers ken

 

[ken68]

Hi Kev are these worth anything reason for asking my friend was offered £50

Thanks Ken

 

[Charlie]

Heres a link to the patent no shown in the photo.

http://patent.ipexl.com/GB/518148-a.html