Two pot stoves past and present

Laxmi stove, Source: Hedon wiki

http://www.hedon.info/StoveImages:LaxmiChulha

Start: 1988

Kolar Two-pot modular stove

in use since last 20 years

Philips stove

http://changeobserver.designobserver.com/entry.html?entry=10717

http://www.design.philips.com/philips/sites/philipsdesign/about/design/designportfolio/philanthropy_by_design/chulha.page

http://www.design.philips.com/chulha/index.page

http://www.wipo.int/pctdb/en/wo.jsp?IA=IB2008052409

Pub. No.:		WO/2009/001249		International Application No.:		PCT/IB2008/052409
Publication Date:		31.12.2008		International Filing Date:		19.06.2008