Lunar Logic

Courtesy Wikipedia. Public domain.

It rained, like it oft did when Leafboots strolled down the leaky sidewalks o’ Boskeopolis in search o’ mysteries to solve.

She reached into her pocket & pulled out her chained astrolabe to ascertain that the moon was in the right position. Then she stood @ the curb with her hands in her jacket pockets, leaning forward & back loosely in the wind as if waiting for a taxi.

Then she pulled out the strange-shaped block o’ wood & held it @ a perfect π/4-radian angle. It revealed in shadow less strange shapes: the shapes o’ English words.

Now, ¿wouldn’t you just like to know what those words were?

Prompt:

Astrolabe, Gumshoes, Language .