Home / Color Changing Coffee Mugs / Washington, D.C. Patients in Ward K of Armory Square Hospital (U.S. Civil War) Color Changing Mug 11oz
  • Washington, D.C. Patients in Ward K of Armory Square Hospital (U.S. Civil War) Color Changing Coffee Mug 11oz Default Title 11oz - Go Mug Yourself
  • Washington, D.C. Patients in Ward K of Armory Square Hospital (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
  • Washington, D.C. Patients in Ward K of Armory Square Hospital (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
  • Washington, D.C. Patients in Ward K of Armory Square Hospital (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
  • Washington, D.C. Patients in Ward K of Armory Square Hospital (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
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Washington, D.C. Patients in Ward K of Armory Square Hospital (U.S. Civil War) Color Changing Mug 11oz

Washington, D.C. Patients in Ward K of Armory Square Hospital (U.S. Civil War) Color Changing Mug 11oz

100 in stock

$17.99 USD
$17.99 USD
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Washington, D.C. Patients in Ward K of Armory Square Hospital - Color Morphing Mug Design

This design records the interior of Ward K at Armory Square Hospital in Washington, D.C., with the patients who were under care there.

Visual Elements & Composition

The composition is built around the ward itself. The eye moves through the room's interior and settles on the people within it, so the setting and its occupants are presented together rather than one above the other. Nothing decorative competes with the scene. The image is a straight, documentary view, arranged to show how the ward was organised and how it was used.

Meaning & Symbolism

Armory Square was one of the Union Army's principal hospitals during the Civil War, and the capital city filled with its wounded and sick. A ward like Ward K stands for that scale of care and for the ordinary routines of nursing men through long recoveries. The patients are the subject, not a backdrop, which gives the image its weight. It is a record of a medical institution and of the people it held, made at a time when such rooms were rarely pictured with this much attention.

Made for a Mug That Reveals Itself

A mug is turned in the hand, and this one asks for that habit. The ward stays faint while the cup is cold, then comes into view as a hot drink is poured in, so the room appears gradually, much as a historical scene does when you look at it closely. It makes a thoughtful choice for anyone who likes history with their morning coffee, and a quietly cheeky one for a friend who collects archival oddities.

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Color-changing ceramic mugs with a glossy finish, black exterior, and white interior. Available in one size: 11 oz (≈330 ml). Heat-reactive coating reveals your custom design when filled with hot liquid. BPA- and lead-free, with a comfortable C-handle.

This mug brings a playful twist to the daily coffee or tea ritual. At room temperature, it looks like a simple black mug with a glossy finish. But add a hot beverage, and your chosen design fades into view, showing vivid colors against the white interior.

The ceramic body is durable enough for repeated use, while the C-shaped handle balances comfort and grip. Printing uses sublimation techniques that fuse color into the heat-reactive surface for crisp results when the design appears.

  • Material: ceramic with glossy black exterior and white interior.
  • Size: one standard size, 11 oz (≈330 ml).
  • Finish: glossy glaze with heat-sensitive surface.
  • Printing: sublimation process produces crisp, vibrant colors.
  • Safety: BPA-free and lead-free, suitable for everyday drinks.
  • Effect: design is faintly visible when cold, fully revealed when hot.

Perfect as a novelty gift or a fun personal mug, the heat-reactive design makes coffee breaks more engaging. It works well for morning coffee, afternoon tea, or hot chocolate.

  1. Daily routine: fill with any hot beverage to reveal your chosen artwork.
  2. Gifting: the “magic” reveal makes it a memorable present for birthdays, holidays, or office exchanges.
  3. Office use: sparks conversation while still being practical for everyday drinks.

Note: for best results, avoid designs that rely heavily on deep black backgrounds, as they may blend with the mug’s surface when cold.

Unlike standard mugs, color-changing mugs require gentler care to preserve the heat-reactive coating. Hand-wash only — avoid the dishwasher and abrasive scrubbers, which can damage the finish and reduce the effect.

The mug is safe for short microwave use when heating liquids, but repeated high-heat cycles may shorten the lifespan of the coating. Always allow the mug to cool before washing.

Available in one classic size: 11 oz (approximately 330 ml). It’s large enough for most standard coffee makers and fits comfortably in most cabinets.

Size guide

All measurements are product dimensions in inches.

11 oz
Height (in) 3.78
Diameter (in) 3.23
Diameter w/ handle (in) 4.76

Note: measurements are approximate; slight variations may occur due to manufacturing tolerances.