His method relied on the traditional burin. He created depth through varied line weights. In The Sea Serpent, he used these techniques to depict movement and scales. His portraits of Charles Sumner and Alexander von Humboldt avoid soft shadows. Instead, they use sharp hatches to define facial structure. This creates a bold and legible image. He captured the specific textures of skin and fabric with consistent pressure.

Collectors today appreciate the clarity of these engravings. The black and white tones fit well in modern rooms. These prints offer a connection to nineteenth-century craftsmanship. They look good in simple frames. The work is direct. It avoids the blurred edges found in later lithography. This makes the prints feel modern despite their age.