
“Little Brother” Hit N’ Miss Engine
Craftsman: Mr. Hallock
Catalog #: 2011.4.6
Donor: Les Cade
This water-cooled “Little Brother” hit n’ miss engine features a governor in the center of one of the 4.5″ flywheels.

“Little Dominator” Model Aircraft Engine
Craftsman: Noel Jensen
Knapp Collection #: 84
Catalog #: 2008.10.25
Contributor: Paul Knapp
A rotary valve, twin-cylinder, air-cooled engine named “Little Dominator.” The 1″-bore and 1.1″-stroke engine turns a 16/6 propeller at 6,000 rpm.

“Maxse T-Seven” 7-Cylinder Radial Model Airplane Engine
Craftsman: Maxse Tayler
Knapp Collection #: 126
Catalog #: 2008.10.36
Contributor: Paul Knapp
Maxse Tayler used the piston and cylinder assemblies from the commercially manufactured Saito 120 model airplane engines to build this 7-cylinder radial.

“Micro Cirrus” V8 Engine
Craftsman: Profi M. E.
Knapp Collection #: 112
Catalog #: 2008.10.31
Contributor: Paul Knapp
This 1/12 scale “Micro Cirrus” engine runs on methanol with glow ignition, and is among the smallest multi-cylinder 4-cycle engines in the world.

“Rasant MK III” Diesel Radial Model Airplane Engine
Craftsman: Ron Valentine
Knapp Collection #: 135
Catalog #: 2008.10.39
Contributor: Paul Knapp
This “Rasant MKIII” Diesel engine operates like an inline engine. It is 2.5″-long, 3″-wide, and 2″-high.

“Robot Chest” Music Box
Craftsman: Donald Riley
Catalog #: 2021.19.4
Contributor: Donald Riley
This music box, entitled “Robot Chest,” includes a hoard of individual robots along with a ray gun and old-fashioned microphones.

“Root Special” DOHC 4-Cylinder Racing Engine
Craftsman: Lee Root
Knapp Collection #: 104
Catalog #: 2009.9.17
Contributor: Paul Knapp
The “Root Special” is machined entirely from 7075 aluminum bar stock and utilizes no castings. The aluminum parts were clear anodized to produce the color and finish.

“Sea Lion” 4-Cylinder Water-Cooled Marine Engine
Craftsman: Jim Hawk
Knapp Collection #: 124
Catalog #: 2008.10.35
Contributor: Paul Knapp
This tiny marine engine was designed and sold as a casting kit. Jim Hawk made several modifications to the original design to improve efficiency and performance.

“Silver Dollar” Oscillating Steam Engine
Craftsman: Unknown
Catalog #: 2011.4.14
Donor: Les Cade
This “Silver Dollar” oscillating steam engine is unusual in that the flywheel is made from a bicentennial Eisenhower silver dollar.

“So What Speed Shop” OS Powered Tether Car
Craftsman: Chris Garcia
Knapp Collection #: 421
Catalog #: 2016.8.16
Contributor: Paul Knapp
This aluminum tether car was custom-built by Chris Garcia for Ed Hegarty and sports Chris’s custom wire wheels.

“Steam Boat” Music Box
Craftsman: Donald Riley
Catalog #: 2021.19.1
Contributor: Donald Riley
This music box, entitled “Steamboat,” offers a unique play on Noah’s Ark with some added flair.

“Tool Box” Music Box
Craftsman: Donald Riley
Catalog #: 2021.3.1
Contributor: Donald Riley
This music box, entitled “Tool Box,” features an old school machine shop with moving belts and workers on top of a tool chest.

“Toy Factory” Music Box
Craftsman: Donald Riley
Catalog #: 2022.7.1
Contributor: Donald Riley
It took ten years to fully design and collect all of the wonderful animation components for the Toy Factory. The scene includes moving trains, cars, gears, pistons, a crane, and more.

“Toyland” Music Box
Craftsman: Donald Riley
Catalog #: 2021.14.2
Contributor: Donald Riley
This music box, entitled “Toyland,” was Donald’s second music box finished in 1995.

“Treasure Chest” Music Box
Craftsman: Donald Riley
Catalog #: 2021.19.3
Contributor: Donald Riley
This music box, titled “Treasure Chest,” includes a trove of children’s toys and goods.

“Trench Art” Miniature Aluminum Ship Propeller
Craftsman: Unknown
Catalog #: 2014.16.1
Donor: Dennis Hodgkins
This model ship propeller is about 4-1/2″ in diameter. It was made out of metal taken from downed aircraft during WWII.

“8 Stomp ‘Ore Mill” Animated Toy
Craftsman: Birk Petersen
Catalog #: 2016.15.11
Donor: Mark Petersen
This piece is entitled, “8 Stomp ‘Ore Mill,” and it features four figures jumping rope.

“Bailey” Lehman Hot Air Engine
Craftsman: Birk Petersen
Catalog #: 2016.15.64
Donor: Mark Petersen
Birk Petersen built this miniature Lehman hot air engine called, “Bailey.”

“Bimba Too” Steam Engine
Craftsman: Birk Petersen
Catalog #: 2016.15.4
Donor: Mark Petersen
This miniature steam engine, named “Bimba Too,” uses a Bimba compressed air cylinder.
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