Miniature Blacksmith’s Vise
Craftsman: Birk Petersen
Catalog #: 2016.15.120
Donor: Mark Petersen
Birk Petersen built this miniature blacksmith’s vise with support to transfer energy into the floor.
Miniature Bolt and Wrench
Craftsman: Jerry Kieffer
Donor: Jerry Kieffer
At the center of the bezel is a .25 x .075 x 2mm bolt and .4mm wrench built by Jerry Kieffer.
Miniature Brass Oscillating Steam Engine
Craftsman: Birk Petersen
Catalog #: 2016.15.65
Donor: Mark Petersen
This miniature brass oscillating steam engine is smaller than a US quarter.
Miniature Cam Grinder
Craftsman: Ron Schindele
Knapp Collection #: 448
Catalog #: 2016.8.26
Contributor: Paul Knapp
The unique feature of Ron’s cam grinder is an indexing cog gear that automatically controls the down-feed of the grinding wheel at about .001 per revolution of the cam.
Miniature Carousel
Craftsman: Birk Petersen
Catalog #: 2016.15.70
Donor: Mark Petersen
Birk Petersen built this working miniature carousel with hand-carved wooden horses for his family.
Miniature Cement Mixer and Wheelbarrow
Craftsman: Birk Petersen
Catalog #: 2016.15.30
Donor: Mark Petersen
Birk Petersen built this miniature cement mixer from plans by Rudy Kouhoupt.
Miniature Child’s Iron
Craftsman: Unknown
Catalog #: 2011.12.1
Donor: Dr. Francis Rigney
This miniature child’s iron was made by slave blacksmiths in the late 1700s or early 1800s. It represents “miniature engineering” under the most extreme circumstances.
Miniature Dynamo
Craftsman: Rudy Kouhoupt
Donor: Susan Alvaro
Rudy Kouhoupt built this direct current dynamo, which delivers 9 amps at 10 volts.
Miniature Engine and Generator
Craftsman: Birk Petersen
Catalog #: 2016.15.77
Donor: Mark Petersen
This miniature engine runs a tiny generator to produce electricity.
Miniature Flash Steam Engine
Craftsman: Unknown
Knapp Collection #: 371
Catalog #: 2016.8.5
Contributor: Paul Knapp
The builder and date for this miniature flash steam engine are unknown. All of the castings are iron and have numbers on them indicating it might have been built from a kit.
Miniature Hit-n-Miss Engine
Craftsman: Phillip Duclos
Catalog #: 2015.11.1
Donor: Jon Harting
This miniature hit-n-miss engine is remarkably tiny and was featured in the book, The Shop Wisdom of Phillip Duclos.
Miniature Hit-n-Miss Engine
Craftsman: Phillip Duclos
Catalog #: 2015.11.2
Donor: Jon Harting
This tiny hit-n-miss engine was being built as a scaled down version of an engine that Mr. Duclos had previously made.
Miniature Joke Toys
Craftsman: Birk Petersen
Catalog #: 2016.15.102
Donor: Mark Petersen
Several miniature joke toys built by Birk Petersen.
Miniature Kaleidoscope
Craftsman: Birk Petersen
Catalog #: 2016.15.21
Donor: Mark Petersen
This functional miniature kaleidoscope is made of wood and brass.
Miniature Mansion
Craftsman: Karl Pohlmann
Catalog #: 2017.18.1
Donor: Margaret Wheeler
This miniature mansion was almost entirely scratch built by Karl Pohlmann. The roof is covered in 1,800 individually hand-crafted shingles.
Miniature Mayo Patent Plow Plane
Craftsman: Paul Hamler
Paul Hamler built this fine miniature Mayo patent plow plane. It includes some ornate castings in red brass.
Miniature Model Ski Boat With Outboard Engine
Craftsman: Daniel "Buzz" Brunkow
Catalog #: 2013.41.1
Contributor: Daniel "Buzz" Brunkow
Daniel Brunkow built this miniature wooden model flatbottom ski boat with a tiny outboard engine attached. The mahogany boat is only about 6″ long.
Miniature Oscillating Steam Engine
Craftsman: Jerry Kieffer
Catalog #: 2008.3.1
Donor: Jerry Kieffer
Jerry Kieffer built this incredibly small oscillating steam engine. In fact, it is likely the smallest working steam engine in the world.
Miniature Post Drill
Craftsman: Birk Petersen
Catalog #: 2016.15.118
Donor: Mark Petersen
A miniature red post drill built from a kit by PM Research.
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