Internet Pinball Machine Database: Chicago Coin 'Exposition'

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Exposition

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Exposition / IPD No. 799 / July 30, 1938 / 1 Player

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Manufacturer:

Chicago Coin Machine Manufacturing Company (1932-1977)

Date Of Manufacture:

July 30, 1938

Model Number:

Type:

Electro-mechanical (EM)

Production:

147 units (confirmed)

Serial Number Database:

View at The Internet Pinball Serial Number Database (IPSND.net) (External site)

Specialty:

Flipperless

Notable Features:

5 balls for 5 cents. Spring bumpers (10). Time clock. At the center of the playfield is a rubbered red post that does not spin. A captive ball scoring unit inside backbox is not visible to the player. A slowly rotating motor under the playfield toggles the rollovers to score either 200 points or 1000 points. The playfield lamps light to indicate to the player when the value has increased. To score the 1000 points, a solenoid in the backbox fires a ball around a track having five 200-point rollovers.

Sound: none

Notes:

The clever captive ball scoring unit inside the backbox simulates a 5-pulse score motor, delivering five switch closures in response to one playfield switch closure.

There are two examples of this game shown in this listing, owned by the same person. One is missing its backbox. Neither have cabinet art that match the game in the manufacturer's Billboard ad. Interestingly, one cabinet does match the artwork of a game pictured for Chicago Coin's 1938 'Peppy' but neither of them match the cabinet art of the manufacturer's Billboard ad for that game either.

We asked the owner to determine how long the playfield lamps light up for increased point value. His games, located in the UK, have a 240v transformer and the closest he could get to 110-120v was to middle-tap the motor at 127v. At that setting, the motor turned to light the lamps for less than a second, with four-second intervals between illuminations.

Photos in:

The Billboard, Aug-6-1938, page 82

Images:
(click to zoom)

Billboard New Game Announcement* 1200x1017 [Rob Hawkins]	Billboard Ad* 1200x905 [Rob Hawkins]	Backglass 1200x1476 [David Merryweather]	Playfield 1200x1600 [David Merryweather]	Cabinet - Full View 1200x1163 [David Merryweather]
Cabinet - Right 1054x822 [David Merryweather]	Inside Backbox 1068x1492 [David Merryweather]	1000-Point Score Unit 1200x900 [David Merryweather]	1000-Point Score Unit Switches 1200x900 [David Merryweather]	Playfield* 1200x1600 [David Merryweather]
Upper Playfield* 1200x900 [David Merryweather]	Middle Playfield* 1200x900 [David Merryweather]	Lower Playfield* 1200x900 [David Merryweather]	1000-Point Light* 1200x900 [David Merryweather]	Cabinet - Left* 1200x900 [David Merryweather]
Cabinet - Right* 1158x354 [David Merryweather]	Cabinet - Front* 1158x538 [David Merryweather]	Under Playfield* 1200x1600 [David Merryweather]	Inside Cabinet* 1200x1600 [David Merryweather]	Motor* 1200x900 [David Merryweather]
Selenium Rectifier* 1200x900 [David Merryweather]	Illuminated 1000-Point Light 1200x900 [David Merryweather]

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