Joy Division’s Unknown Pleasures sleeve aka PSR B1919+21 using a pen plotter
Plotting of the stacked plot of pulsar PSR B1919+21, also used on the cover of Joy Division’s 1979 album „Unknown Pleasures.“ Plot done with a HP 7470A pen …
Plotting of the stacked plot of pulsar PSR B1919+21, also used on the cover of Joy Division’s 1979 album „Unknown Pleasures.“ Plot done with a HP 7470A pen …