Differentials compound objects

 

 
 
  Barrel of crude  
 

Barrel of crude consists of crude oil in a 55 gallon drum. The idea was that it could have two differing values, the first being the stock value of the oil the second being its value as a sculpture.

 

 
  Date of conception: 2005  
  Built: In house  
  Requirements: Mains power, Internet feed  
  Components: 55 gallon barrel, crude oil, stock ticker, internet feed, drum dolly  
  Features: Real crude oil coupled with its current stock price, castering dolly  
  Weight: .25tons approx  
  Status: Un assembled  
  Engineers: Robert Twomey web programming  

 
  1 ton of coal  
 

1 Ton of coal is similar to oil drum. The coal was specially minned in Pennsylvania. The coal is going to be housed in a raw steel scrap bin

 

 
  Date of conception: 2006  
  Built: In house  
  Requirements: Mains power, Internet feed  
  Components: Coal bin, coal, stock ticker, internet feed  
  Features: Raw coal from the ground coupled with real time price  
  Weight: .1.5 tons approx  
  Dimensions: Not yet specified  
  Status: Un assembled  

 
  1 ton of scrap  
 

Due to growth of Chinese manufacturing scrap metal is valuable commodity: an active ingredient within the global steel market used in new steel production process.

 

 
  Date of conception: 2006  
  Built: In house  
  Requirements: Mains power, Internet feed  
  Components: Scrap steel bail, stock ticker, internet feed  
  Features: Displays real time price of scrap metal price  
  Weight: .1.5 tons approx  
  Dimensions: Not yet specified  
  Status: Un assembled