A vein from the leg is removed and grafted to the coronary artery to bypass a blockage. Coronary artery bypass surgery during mobilization (freeing) of the right coronary artery from its surrounding tissue, adipose tissue (yellow). The tube visible at the bottom is the aortic cannula (returns blood from the HLM).
The average yearly income in 1930 was $1,368. With a 40 hour work  week that is an average of about 65 cents per hour.1368 per annum. Keep in mind two things: there were almost no taxes back then, and unimployment was high, so this is an average of the mostly white collar workforce.
Similarly, the average annual unemployment rate peaked at 19.3% in 1933, dropped to 9.1% by 1937, and rose again to 11.4% in the next two years. The unemployment rate averaged 9.2% in 1940. The real average annual wage of men increased by 16% between 1930 and 1940 to $9,600.Women, however, suffered a drop of 6%, with an average annual wage of $4,700 in 1940. Because of this reduction for women, the overall average annual wage at $8,400 was larger by only 10% in 1940 than it was in 1930.This was the only decade when the real wages of women fell.he 1960s brought wage-earners gains in real wages similar to those in the previous decade. The average annual wage of men increased by 42%, from $18,500 in 1960 to $26,200 in 1970, and that of women increased by 36% from $10,000 to $13,700.