Home / Color Changing Coffee Mugs / District of Columbia. Gun Crews of Company H, 3D Massachusetts Heavy Artillery, at Fort Lincoln (U.S. Civil War) Color Changing Mug 11oz
  • District of Columbia. Gun Crews of Company H, 3D Massachusetts Heavy Artillery, at Fort Lincoln (U.S. Civil War) Color Changing Coffee Mug 11oz Default Title 11oz - Go Mug Yourself
  • District of Columbia. Gun Crews of Company H, 3D Massachusetts Heavy Artillery, at Fort Lincoln (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
  • District of Columbia. Gun Crews of Company H, 3D Massachusetts Heavy Artillery, at Fort Lincoln (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
  • District of Columbia. Gun Crews of Company H, 3D Massachusetts Heavy Artillery, at Fort Lincoln (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
  • District of Columbia. Gun Crews of Company H, 3D Massachusetts Heavy Artillery, at Fort Lincoln (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
  • District of Columbia. Gun Crews of Company H, 3D Massachusetts Heavy Artillery, at Fort Lincoln (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
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District of Columbia. Gun Crews of Company H, 3D Massachusetts Heavy Artillery, at Fort Lincoln (U.S. Civil War) Color Changing Mug 11oz

District of Columbia. Gun Crews of Company H, 3D Massachusetts Heavy Artillery, at Fort Lincoln (U.S. Civil War) Color Changing Mug 11oz

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$17.99 USD
$17.99 USD
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District of Columbia. Gun Crews of Company H, 3D Massachusetts Heavy Artillery, at Fort Lincoln (U.S. Civil War) Color Changing Mug 11oz

This is a documentary photograph of the gun crews of Company H, 3d Massachusetts Heavy Artillery, posed at their station in Fort Lincoln, in the District of Columbia.

Visual Elements & Composition

The composition is built around the people and their equipment. The soldiers of the gun crews stand with the artillery pieces, and the fort's earthworks and structures form the setting behind them. Nothing decorative competes with the scene: the frame is a record of men at their posts, arranged as the photographer found them.

Meaning & Symbolism

The image stands for the daily work of heavy artillery service during the Civil War. Fort Lincoln was one of the defences guarding Washington, and these crews were the men who kept its guns ready. The 3d Massachusetts Heavy Artillery was a unit raised in New England and sent south to garrison the capital's fortifications, so the photograph also records a specific regiment in a specific place. For historians and collectors of unit history, that precision is the point.

Made for the Morning Cup

A mug is turned in the hand and seen from every side, so this photograph reads as a continuous panorama rather than a single view. The image appears faintly on the cold mug and comes into focus once hot coffee or tea is poured in, so the soldiers reveal themselves at the same moment as the drink. It is a quiet, slightly cheeky way to bring a sliver of 1860s fortification history to the breakfast table.

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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.