Show of 4 RUSSIA IN MARKET FOR r 4 rI I I j to DIRIGIBLE BALLOONS 4 1 4 ST. ST 4 PETERSBURG April 27 or 4 orThe v 4 The The to l S ministry of war has reS re- re oj 4 quested competitive bids for oj 4 I- I fleet of a diri dirigible ible balloons of of from 4 6 i- i to cubic meters caI ca- ca I I- I parity They are desi designed ned for 1 4 strategic fr 4 over o r r distances up to miles and aDd 4 i i 1 must be capable of maintaining oj 4 4 1 themselves 4 than in the air not less lessl l ten hours at an average 41 4 4 1 speed of twenty five to twenty twenty- 4 4 OJ eight ht miles an hour t. 4 I I HH H H-H- H H H-H H i |