James Watt Flyball Governor
Craftsman: Birk Petersen
Catalog #: 2016.15.112
Donor: Mark Petersen
This is a demonstration model of a James Watt designed flyball governor.
Justrite Brass Caver/Miner Carbide Lamp
Craftsman: Justrite
Catalog #: 2013.31.6
Donor: Owen Cade
This is a small Justrite brass caver’s lamp. The headlamp was designed to be worn by cavers and miners.
Leg Calipers
Craftsman: Birk Petersen
Catalog #: 2016.15.122
Donor: Mark Petersen
These miniature metal calipers are shaped like a pair of legs and can measure inside and outside dimensions.
Mechanical Revolutions Counter
Craftsman: Rudy Kouhoupt
Donor: Susan Alvaro
This small mechanical revolutions counter was built to determine how fast a small steam engine, electric motor, or machine tool spindle is running.
Mechanical Stroboscope
Craftsman: Rudy Kouhoupt
Donor: Susan Alvaro
This mechanical stroboscope uses a shutter type aperture to make rapid movement appear to slow down or stand still.
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 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 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 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 Post Drill
Craftsman: Birk Petersen
Catalog #: 2016.15.118
Donor: Mark Petersen
A miniature red post drill built from a kit by PM Research.
Miniature Sherline 4000 Lathe
Craftsman: Iqbal Ahmed
Donor: Iqbal Ahmed
This miniature Sherline 4000 lathe was built and donated by Iqbal Ahmed of Nagpur, India.
Miniature South Bend Lathe
Craftsman: Wilbur Henry Dexter
Catalog #: 2020.1.1
Contributor: Leland Dexter
This miniature replica of a six-inch South Bend lathe was the cherished creation of Wilbur “Bill” Henry Dexter.
Miniature Steam Plant with Boiler and Two Steam Engines
Craftsman: Jack Randall
Catalog #: 2018.18.4
Donor: Katherine Randall
This miniature steam plant features a boiler and two small steam engines.
Miniature Steel and Brass Anvils With Hammers
Craftsman: Birk Petersen
Catalog #: 2016.15.121
Donor: Mark Petersen
A miniature cast steel anvil on a birch log with three tiny hammers and a smaller brass anvil.
Miniature Tool Set
Craftsman: Intercast/Gries Reproducer Co.
Catalog #: 2016.2.1
Donor: Dick Hamann
This set of miniature tools was manufactured by Intercast/Gries Reproducer Co.
Miniature Workbench With Shaper and Tools
Craftsman: Birk Petersen
Catalog #: 2016.15.81
Donor: Mark Petersen
This miniature wooden workbench features a hand operated metal shaper attached to the bench top.
Model Rock Crusher
Craftsman: Birk Petersen
Catalog #: 2016.15.25
Donor: Mark Petersen
This interesting model is a tiny rock crusher. It has an electric motor powered with twin flywheels.
Model Steam Hammer
Craftsman: Birk Petersen
Catalog #: 2016.15.91
Donor: Mark Petersen
This heavy duty model steam hammer would have been used in a factory to pound metal into shape.
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