 the clyde puffer is essentially a type of small steamboat which provided a vital supply link around the west coast and hebrides islands of scotland, stumpy little cargo ships that have achieved almost mythical status thanks largely to the short stories neil munro wrote about the vital spark and her captain para handy. ==characteristics==  characteristically these boats had bluff bows, crew's quarters with table and cooking stove in the focsle, and a single mast with derrick in front of the large hold, aft of which the funnel and ship's wheel stood above the engine room while the captain had a small cabin in the stern. when publication of the vital spark stories began in 1905 the ship's wheel was still in the open, but later a wheelhouse was added aft of the funnel giving the puffers their distinctive image. their flat bottom allowed them to beach and unload at low tide, essential to supply remote settlements without suitable piers. typical cargoes could include coal and furniture, with farm produce and gravel sometimes being brought back. ==history== the puffers developed from the gabbert, small single masted sailing barges which took most of the coasting trade. the original puffer was the thomas, an iron canal boat of 1856, less than 66&nbsp;ft (20 m) long to fit in the forth and clyde canal locks, powered by a simple steam engine without a condenser, since as it drew fresh water from the canal there was no need to economise on water use. once steam had been used by the engine, it was simply exhausted up the funnel in a series of puffs as the piston stroked. as well as the visual sight of a series of steam puffs following the boat, the simple engines made a characteristic puffing sound. by the 1870s similar boats were being adapted for use beyond the canal and fitted with condensers so that they no longer puffed, but the name stuck. some non-condensing puffers (included those with compound engines) were built until the 1920s when purely canal traffic decreased and the vast majority of coasters had to operate in sea water. a derrick was added to the single mast to lift cargo. from this basic type of puffer three varieties developed: inside boats continued in use on the forth and clyde canal, while shorehead boats extended their range eastwards into the firth of forth and westwards as far as the isle of bute and from there up the length of loch fyne, their length kept at 66&nbsp;ft (20 m) to use the canal locks. both these types had a crew of three. puffers of a third type, the ''
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