Heating Gallery

Fuel winter crisis: Heating pumped from the earth and water

Diagram illustrating how heat in the earth and water can provide heating for homes and factories. City Electrical Engineer of Norwich, where using pipes containing a liquid chemical with a low boiling point, such as sulphur dioxide, placing them underground, the chemical would collect heat from the earth and eventually vaporise. In 1947 britain had a harsh winter, with several cold spells, bringing large drifts of snow to the country, which caused roads and railways to be blocked. Coal supplies, already low following the Second World War, struggled to get through to power stations and many stations were forced to shut down for lack of fuel.
1947

© Illustrated London News Ltd/Mary Evans

The first ten engines constructed for the L&S Railway

Table listing the first ten engines constructed for the L&S Railway, 1832-1839. Detailing: name and number of engine; name of maker; makers number; date when delivered (in steam); cylinders; bolier barrel; tubes; firebox outside; grate; heating surface; wheels; axle etc dimensions; weight in working order; and notes. Date: June 1867

© The Institution of Mechanical En

Avro Tudor 7 G-AGRX

Avro Tudor 7 G-AGRX at the 1947 Radlett SBAC show. The first production Tudor 2, modified on the production line to Tudor 7 standard, powered by Bristol Hercules 120 radial engines, in place of Rolls-Royce Merlin 102s. First flown on 17 April 1946 RX was used for cabin heating tests before delivery to the Ministry of Supply as VX199 in March 1949, for use by the Telecommunications Research Establishment at Defford. Date: 1947

© The Peter Butt Aviation Collection / Mary Evans