Pottery decoration under the glaze

In Short

This book acts as a technical primer for the late 19th-century ceramic artist interested in under-glaze decoration. Rather than offering abstract theory, it provides a grounded, step-by-step account of specific methods—including the Limoges faience style, relief modeling, and incised carving—used to achieve artistic depth in pottery. Written by a practitioner for practitioners, it emphasizes that success in ceramics is not found in "occult mysteries," but in the rigorous application of chemical knowledge, careful clay preparation, and a thorough understanding of how heat transforms raw material into permanent art.

The Story

The narrative begins with a candid assessment of the craft: decorating pottery under the glaze is an arduous pursuit. The author clarifies at the outset that this is not a path "strewn with roses," but rather a demanding discipline requiring significant perseverance. She establishes the essential relationship between the clay body, the metallic oxides used for color, and the final firing process. By demystifying these components, she moves the reader past the fear of the unknown, grounding the artistic endeavor in the physical reality of silica, alumina, and kiln temperatures.

The progression of the book follows the evolution of a piece from raw, "green" clay to a finished, vitrified object. The author explains how to keep clay in a workable state, the critical importance of matching the glaze to the body to prevent "crazing," and the necessity of grinding pigments to a fine consistency to avoid unsightly specks after firing. She then transitions into specific decorative techniques, starting with the Limoges or Haviland method—a process that treats the pottery like a canvas, using colored clays to build up an impasto effect that mimics oil painting. She explains that this is a marriage of painting and modeling, where the artist must account for the shrinkage and moisture content of the clay at every turn.

As the scope widens, the author explores the sculptural side of the craft, detailing how to model figures in relief and carve designs into the surface. She offers a critical eye here, cautioning against the "artistic atrocities" of overly ornate European factories in favor of simpler, more harmonious designs. She explains how different firing environments, such as "smear" glazes, can enhance the tactile nature of carved work. The final chapters move to decoration on "biscuit" ware—pottery that has already undergone its first firing—and the Lambeth style, where designs are built through bold, transparent washes and outlined with darker tones. The book concludes with the acknowledgement that these methods are often combined, and while the possibilities are near-infinite, the artist must always remain anchored to the fundamental principles of drawing and the specific chemical limits of their materials.

How It Unfolds

The foundational principles The author explains the chemical basis of pottery clays and the critical necessity of understanding firing temperatures. She establishes that consistency in the material and the proper moisture levels are the prerequisites for any successful decoration.

The Limoges technique The focus shifts to the Haviland method, which treats colored clay as a painting medium. This section details how to mix pigments with clay to create a thick, sculptural impasto that provides both depth and color.

Modeling and carving The text explores adding physical dimension to the pottery surface through relief work and carving tools. It provides guidance on maintaining the clay’s texture while cutting or applying raised designs, emphasizing the importance of preserving the sharpness of the work.

Painting the biscuit The final technical phase addresses decorating ware that has already been fired once. This shift introduces the reader to the more fluid, wash-like application of color and the use of sponges for creating textured, mottled grounds.

The People

The author, M. Louise McLaughlin, is the central voice and driving force of the text. She is an experienced experimentalist who values the "unprofessional yet practical" approach, wanting to share her hard-won discoveries with other learners. She acts as a mentor who is neither a mystic nor a gatekeeper, but a realist who wants to save others from the "disastrous mistakes" she made herself.

She identifies Mr. Joseph Bailey, Sr., as a critical partner in her journey, highlighting his intelligent cooperation and professional advice at the Frederick Dallas pottery. He represents the necessary bridge between the artist’s vision and the technical reality of the kiln.

The "student" or "earnest worker" is the intended recipient of this knowledge. This person is someone who possesses an interest in decorative art but perhaps lacks the specific chemical or technical expertise required to manage clays and oxides. The reader is invited to become this person—someone who moves from being a novice, prone to the frustration of cracking clay and improper firing, to an informed practitioner who understands why a piece succeeds or fails.

In Its Own Voice

"I can not, however, assure those who wish to enter the domain of decorative art by this interesting road, that they will find the way strewn with roses."

The author sets clear expectations for the beginner, emphasizing that technical failure is a natural part of the learning process.

"The work partakes, therefore, both of the nature of painting and modeling, as the high lights may be laid in so thickly as to produce an actual relief."

Describing the Haviland method, she highlights the unique, tactile nature of under-glaze painting where the pigment functions as both color and form.

What It's Really About

The central theme is the reconciliation of artistic expression with physical, material constraints. The book argues that "artistic value" cannot exist in a vacuum; it must be grounded in the laws of chemistry and physics that govern pottery. It explores the tension between beauty and durability—noting that sometimes brilliant color requires a softer, more fragile glaze—and advocates for a philosophy where the artist respects the "nature of the material." Ultimately, it is an argument for the dignity of the technical process, asserting that when an artist understands the hidden mechanics of their medium, they gain the freedom to create work that is both structurally sound and aesthetically refined.

Why Read It Today

Readers with an interest in the history of American ceramics or those who enjoy the "how-to" literature of the late 19th century will find this work deeply rewarding. It provides a rare, transparent view into the experimental spirit of the Cincinnati art pottery movement. The prose is warm, precise, and refreshingly devoid of modern marketing filler; it reads like a long, thoughtful letter from a mentor.

However, readers should be prepared for the specificities of 1880s terminology and chemistry. The book assumes the reader has access to a pottery workshop, as much of the advice—such as "dabbing" with a sponge or firing in a "seggar"—requires physical equipment that is rarely found in a home kitchen. The period attitudes are evident in the author’s confidence and her sometimes sharp critique of European "atrocities," which adds a layer of period personality to the instructions. What stays with the reader is the author's insistence on the "reward of faithful labor." She leaves the reader with the understanding that while the path is difficult, the result—a piece of art where color and form are permanently fused under a brilliant glaze—is an achievement of both mind and hand that survives the fire.