Below you can view more photos of Guillermo’s scale model cannons. Click on images to enlarge.
1/20 Scale Model Cannons
Brass Naval Cannon
A hand, along with a 35 mm film canister in the back, lend scale reference to this tiny detailed piece.
Brass Naval Cannon
The cap plate secures the cannon barrel to the carriage.
Brass Naval Cannon
This detail shows the ratcheting lever that maintains tension on the barrel.
Jackson Memorial Cannon
This miniature was modeled after a full-size cannon at the Jackson Memorial in Washington, D.C.
Jackson Memorial Cannon
Guillermo built the 1/20 scale cannon from photos and measurements taken at the site.
Jackson Memorial Cannon
Civil War Cannon With Limber
The large box carries wadding and cannon balls.
Civil War Cannon With Limber
Civil War Cannon With Limber
Note the design of the step on the limber, where the driver of the team of horses would mount.
16th Century Spanish Cannon
Guillermo modeled this miniature after a Spanish cannon from the 16th Century.
16th Century Spanish Cannon
A tape measure shows the size of this 1/20 scale cannon.
16th Century Spanish Cannon
El Morro Cannon
This miniature cannon was modeled after one found at El Morro fortress in San Juan, Puerto Rico.
El Morro Cannon
Burgundian Falconet
Guillermo’s 1/20 scale model of a Burgundian falconet cannon.
Burgundian Falconet
Burgundian Falconet
Chinese Falconet
This model was inspired by the 1963 film, 55 Days at Peking.
Chinese Falconet
Italian Falconet
A 1/20 scale Italian falconet cannon.
Italian Falconet
Italian Falconet
French Cannon
This miniature French cannon is from the era of Louis XV.
French Cannon
French Cannon
French Cannon
The miniature box can be removed from the carriage.
Spanish Bombard
Guillermo’s 1/20 scale Spanish bombard cannon.
Spanish Bombard
Steel Naval Cannon
Another 1/20 scale naval cannon. On this model, the barrel was turned from stainless steel, rather than brass.
Steel Naval Cannon
El Morro Mortar
Roman Catapult
Guillermo also built this scale model Roman catapult. A stone weight is lifted with a winch, allowing the kinetic energy to throw a large stone when the catch is released.
Roman Catapult
The throwing arm slams into a large, rope-wrapped timber, which helps stop its motion.
Roman Catapult
Catapults could either be towed to the field of battle, or built on-site from local materials.
Roman Catapult
Guillermo at Work
Guillermo at His Desk
Guillermo Rivera stands behind his desk, with some of the other items from his extensive military collection in the background.