s ▁for ▁articles ▁were ▁often ▁taken ▁from ▁designs ▁of ▁Berlin ▁w ool ▁work . ▁ ▁See ▁also ▁▁ ▁Int ars ia ▁ ▁L ath ▁art ▁ ▁Mar quet ry ▁ ▁Op us ▁sect ile ▁ ▁Par quet ry ▁ ▁Piet re ▁d ure ▁ ▁References ▁ ▁External ▁links ▁▁ ▁Tun bridge ▁w are ▁Tun bridge ▁Well s ▁Museum ▁and ▁Art ▁Gallery ▁ ▁Tun bridge ▁w are ▁ ▁Article ▁about ▁Tun bridge ▁w are ▁ ▁Te chni ques ▁of ▁making ▁Tun bridge ▁w are ▁▁ ▁R ye ▁Castle ▁Museum ▁Tun bridge ware ; ▁museum ▁includes ▁a ▁genu ine ▁preserved ▁Tun bridge ware ▁work shop ▁ ▁Category : Dec or ative ▁arts ▁Category : Sur face ▁decor ative ▁techniques ▁in ▁wood working ▁Category : Ro yal ▁Tun bridge ▁Well s ▁Category : T on bridge <0x0A> </s> ▁The ▁ 1 st ▁Air ▁Def ence ▁Division ▁is ▁a ▁military ▁formation ▁of ▁the ▁Russian ▁A eros pace ▁Forces . ▁It ▁traces ▁its ▁history ▁to ▁a ▁corps ▁of ▁the ▁Soviet ▁Air ▁Def ence ▁Forces , ▁and ▁later ▁the ▁Russian ▁Air ▁Force . ▁The ▁corps ▁was ▁head qu arter ed ▁at ▁Sever om or sk ▁and ▁was ▁part ▁of ▁the ▁ 1 0 th ▁Air ▁Def ence ▁Army ▁from ▁ 1 9 6 0 ▁to ▁ 1 9 9 4 . ▁It ▁was ▁formed ▁as ▁the ▁Northern ▁Air ▁Def ence ▁Corps ▁in ▁ 1 9 5 7 ▁and ▁was ▁assigned ▁the ▁design ation ▁" 2 1 st " ▁three ▁years ▁later . ▁It ▁became ▁a ▁brig ade ▁in ▁