I can make Magic talk—
A myriad shells show
In a scrap of chalk;
Line 1: “With this round glass”
Line 2: “I can make Magic talk—”
Line 3: “A myriad shells show”
Line 4: “In a scrap of chalk;”
Summary of Stanza 1
“With this round glass”
(The speaker refers to a magnifying glass.)
“I can make Magic talk—”
(The lens seems magical because it reveals details normally hidden from the eye.)
“A myriad shells show”
(Countless tiny shell-like forms become visible.)
“In a scrap of chalk;”
(Even a tiny piece of chalk contains surprising patterns.)
Overall meaning: The speaker introduces the magnifying glass as a tool that reveals hidden patterns in something as ordinary as chalk.