MECHANIC TRADES 
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681.8 Music instruments 
Manufacture of music instruments is preferably clast in 781.01 Music instruments 
in general, 786-789 special instruments, but may be kept here, classing under 
681.81 the ordinary musical instruments, and under 681.82-.84 some of the less 
important and the accessory instruments 
Ordinary music instruments 
See note under 681.8. If manufacture of ordinary instruments is clast here, 
this number may be subdivided like 780, e. g. 681.8171 Manufacture of violin 
Automatic and independent instruments 
Street organ 
Music boxes 
Mekanical pianos and organs 
Orchestrions 
Song-birds and instruments imitating song and speech 
Semi-automatic adapted to ordinary instruments 
To keyboard instruments 
Melotropes, pianistas, eolians, etc. 
To stringd instruments 
“ wind “ 
« : « 
percussion 
Instruments registering and reproducing musical compo- 
sitions and voices 
Merely registering movements of piano keys 
Melegrafs 
Merely registering sounds 
Registering and reproducing sounds 
Talking machines 
Phonografs Gramofones 
See also 681.135 Automatic phonografs 
21 Cylinder phonografs 
22 Disk “ 
682 Blacksmithing 
Horseshoeing 
See also Zootechny, 636.0834 Shoeing 
683 Lock and gun making 
684 Carriage and cabinet making 
Furniture. See also 749 Artistic furniture; 694.7 Fine joinery, interior finish. 
Highway vehicles for separate tractors, either animal or motor, For motor vehicles 
see 620.2 
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