![](https://coimages.sciencemuseumgroup.org.uk/718/813/medium_thumbnail_iboj20240214__0031_.jpg)
Model (scale 1:8) of Perret's furnace utilizing refuse fuel
![Model (scale 1:8) of Perret's furnace utilizing refuse fuel](https://coimages.sciencemuseumgroup.org.uk/305/286/medium_smg00022220.jpg)
Model (scale 1:8) of Perret's furnace utilizing refuse fuel, applied to Cornish boiler, on stand
Model (scale 1:8) of Perret's furnace utilizing refuse fuel, applied to Cornish boiler, on stand