And Still They Grow -- How transport aircraft have grown in 18 years is illustrated in this "family portrait" released by Lockheed Aircraft Corporation today showing six models, ranging from old to new, of principal Lockheed airlines when all were in reunion at their home airport at Burbank, Calif. Since days of 1934 Electra, 1937 Model 14 and 1939 Lodestar (small planes, left to right), capacities have increased from 12 passengers to about 50 to 100 in modern Constellation types (two front ship