Fuel Efficiency Booklet 15 - Economic Use of Gas-Fired Boiler Plant - Department of Energy
Fuel Efficiency Booklet 15 - Economic Use of Gas-Fired Boiler Plant - Department of EnergyThis may appeal to both the engineer and the industrial archaeologist. I have also founf the urban exploration community enjoys books such as this. Provides technical guidance on the ways in which gas and therefore money can be saved in the use of boilerplants from gas delivery through to final heat output, with a final checklist on servicing. I am guessing a date of 1970s (possibly 1979 - there is a code in the rear). I think these may have been issued as part of a government energy saving campaign, appropriately entitled "Save It" which ran in the 1970s/1980s.
You can buy it from me it here...

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