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{Letterhead]
Boulton and Paul,
Rose Lane Works,
Norwich, 24th December 1878
Specification & Estimate of Heating Apparatus for Horticultural Buildings, for Sir W. McArthur, Camden Park, New So Wales, Sydney, Australia.
Wrought Welded Saddle Boiler 5 ft in length capable of Heating 1250 ft of 4" pipe; with furnace front & supply cistern. The furnace front to have folding doors. The pipes in the general Houses to be connected with the Boiler by 4" mains, flow & return.
House Marked, A, to have six (6) 4" pipes
" Marked, B, to have four (4) 4" "
and the House Marked, C, to have one 4" pipe all round.
All the pipes to be arranged as shown by the enclosed drawing, with stop values on the flow pipes to each, so that each House may be worked separately if desired.
India Rubbed & higs are uncluded, for all the joints