COMMERCE COMMUNICATION 
386 Waterways Inland navigation 
See also 626 Canal engineering; 656 Transportation, under useful arts 
Inland canals Rivers Inland ports 
In special countries 
Divided like 930-999 
Interoceanic canals 
[nland or river navigation 
In special countries 
Divided like 930-999 
Transport of ships by rail Trains by boat 
Ocean and air transport 
History of shipping. Ship subsidies 
See also useful arts, 656 Transportation 
Ports and maritime equipment 
Maritime transport 
Merchant marine: maritime lines 
Fi 
5 
387 
| 
388 
Air transport 
Local transit: city and interurban 
Highways 
See also engineering 625s 
Highways Roads Bridges 
Land transport 
Carriages, coaches, carts etc. Stages (horse or motor) 
Street railways Quick transport in large towns 
For teknical questions see 625.6 
389 Weights and mesures Metrology 
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