
Gasparin 9-Cylinder Rotary CO2 Engine
Craftsman: Stefan Gasparin
Knapp Collection #: 287
Catalog #: 2011.32.7
Contributor: Paul Knapp
Stefan Gasparin designed and built over 60 variations of CO2 engines from 1 through 18-cylinders—including single-cylinder, inline, opposed flat, “V,” rotary, and radial configurations.

Gasparin Flat Four CO2 Airplane Engine
Craftsman: Stefan Gasparin
Knapp Collection #: 393
Catalog #: 2013.53.8
Contributor: Paul Knapp
Also called a “Soda Gas Engine,” the tank under the engine receives a charge of CO2 which is liquid at ambient temperature at a vapor pressure of about 850 PSI.

Gasparin G-10 CO2 Motor
Craftsman: Stefan Gasparin
Catalog #: 2014.7.1
Contributor: Edward Swenton Jr.
This Gasparin G-10 CO2 motor has a 9.82 cubic millimeter displacement. The bore is 2.5mm, stroke is 2.0mm, and it weighs 4 grams.

Gasparin GMW 160 CO2 Motor
Craftsman: Stefan Gasparin
Catalog #: 2014.7.5
Contributor: Edward Swenton Jr.
This Gasparin GMW 160 CO2 motor has a 1.57 cubic mm displacement. The bore is 5.0mm, stroke is 8mm, weight is 16.8 grams (without prop).

Gasparin GMW 73 CO2 Motor
Craftsman: Stefan Gasparin
Catalog #: 2014.7.4
Contributor: Edward Swenton Jr.
This Gasparin GMW 73 CO2 motor has a 73.72 cubic mm displacement. The bore is 3.8mm, stroke is 6.5mm, and weight is 16.8 grams (without prop).

Gasparin Micro Taylorcraft Flyer With CO2 Engine
Craftsman: Stefan Gasparin
Knapp Collection #: 289
Catalog #: 2011.32.9
Contributor: Paul Knapp
The Gasparin CO2 Micro Flyer with a G2.6 “World’s Smallest CO2 Engine,” has a wingspan of just 6.3 inches and weighs a total of 3.5 grams with engine.

Gay 4-Cylinder Engine
Craftsman: Mr. Gay
Knapp Collection #: 76
Catalog #: 2008.10.24
Contributor: Paul Knapp
A 4-cycle, air-cooled, overhead-valve engine made from aluminum castings, bronze, and iron.

GBN Toy Steam Machine Shop
Craftsman: Gebruder Bing Nurnberg
Catalog #: 2011.16.1
Donor: William and Carol Cox
This toy steam machine shop has a jackshaft with pulleys to run a lathe, table saw, grinding wheel and drill press.

Gear Go-Round
Craftsman: Theodore Carder
Catalog #: 2021.11.2
Donor: Susi Trumbo
This elaborate Gear Go-Round mechanism features several different kinds of unusual gears working in conjunction.

Geared Oscillating 2-Cylinder Steam Engine
Craftsman: Birk Petersen
Catalog #: 2016.15.36
Donor: Mark Petersen
Birk Petersen’s miniature 2-cylinder geared oscillating steam engine.

Gearless Hit-n-Miss Engine
Craftsman: Phillip Duclos
Catalog #: 2013.50.7
Donor: George and Dorlene Root
This is a simple but elegant “gearless” hit-n-miss engine with a governor in the center of the flywheel.

Gebruder Bing Nurnberg Steam Engine
Craftsman: Gebruder Bing Nurnberg
Catalog #: 2016.35.1
Contributor: Paul Kelly
This is a somewhat larger toy steam engine produced by Gebruder Bing Nurnberg.

GeeBee R1 Racing Plane
Craftsman: Ralph Sarosi
Catalog #: 2013.35.11
Donor: Joe Bridi
This is a wooden model GeeBee R1 racing plane—a special-built racing plane designed to vie for the Thompson trophy.

Gem 1 Stationary Engine
Craftsman: Dwight Giles
Knapp Collection #: 543
Catalog #: 2017.27.15
Contributor: Paul Knapp
The Giles Engine Model 1 (GEM) is a small horizontal 4-stroke with a bore of 7/8” and a stroke of 1-1/8” for a total displacement of 0.68 cubic inches.

Gemini’s Good & Bad Dollhouse
Craftsman: Sara Botts
Catalog #: 2019.4.4
Donor: Van Botts
This dollhouse diorama entitled, “Gemini’s Good & Bad,” was built by Sara Botts.

General Motors Craftsman’s Guild Model Contest Coach
Craftsman: Bernhardt Goettker
Catalog #: 2011.28.1
Contributor: Bernhardt Goettker
Bernhardt Goettker’s ornate model coach built for the General Motors Craftsman’s Guild coach contest.

General Motors Craftsman’s Guild Model Contest Coach
Craftsman: Emil Kostron
Catalog #: 2012.30.1
Donor: Ron Kostron
This General Motors Craftsman’s Guild Napoleonic coach contest model was made by Emil Kostron in 1932.

General Store
Craftsman: George & Judy Burke
Catalog #: 2018.47.2
Donor: Anthonly Burke
This dollhouse is made up to look like an old fashioned General Store, complete with clerk and goods.

Gescha Transparent Engine
Craftsman: Gescha
Catalog #: 2008.12.1
Donor: Peter Amis
This 4-cylinder Gescha transparent engine is a representation of the engine used in the Model A Ford. The internal workings can be seen in action when the engine is cranked.
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