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.
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.or the first time, the real average annual wage of men fell from $29,900 in 1980 to $29,800 in 1990. But, notwithstanding the large increase in the number of female wage-earners, the average annual wage of women increased by 14% to $17,900 in 1990.