A Series of Statistical Charts Illustrating the Condition of the Descendants of Former African Slaves - Bar graph shows African American population between 1750 and 1890 [LCCN2013650366]
The pattern
This still is filed under Data as proof.
Define
A chart, map, or count that is the argument, not an illustration next to the argument.
Mechanism
Sighted evidence. The reader is asked to believe their eyes: a bar, a share, a spread on a map.
Verdict
The claim is comparative or quantitative and the figure can be read without a caption doing the sell.
Why it works
The label column is the axis: setting year and exact figure in bold slab caps at a fixed left margin gives the chart a hard typographic spine and lets the bars carry nothing but length. Because the intervals are equal decades and the bars are stacked tight, the staircase edge on the right reads as a continuous growth curve without a line ever being drawn. Printing the count to the last digit while drawing the bar as a rough hand-laid wash is a deliberate pairing - the precision lives in the type, the force lives in the colour. Running the final bar nearly to the sheet edge makes the endpoint feel like a limit reached rather than a value plotted.
Steal this when
Steal this when a long even-interval series needs to feel like accumulation and the exact figures still have to be legible and checkable. A bold label column doubling as the axis is the right structure whenever gridlines would dilute the one thing you want the reader to feel.