More cards in this set

Card 6

Front

Which department set up to deal with communications?

Back

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Card 7

Front

What was developed in 1915?

Back

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Card 8

Front

What were problems with planes?

Back

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Card 9

Front

What was impact?

Back

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Card 10

Front

What did artillery spotting involve?

Back

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Card 11

Front

what was the system called?

Back

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Card 12

Front

What were issues with aircraft?

Back

Preview of the front of card 12