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.
In 1832 the average male agricultural worker would earn in a fullyear an annual income of Â£29.1, including the implied value of beer allowances at work. Theother members of the family together are assumed to earn 25% of the adult maleâs wage. 15 Thusthe average family would have an income of Â£36.4 per year.