Other materials write full name.
(c) Finished surfaces will be indicated by “f” written on the line or surface to be finished. When not so marked it is understood that the part is to be left black or rough. In cases where finish might be presumed but not required, follow the figured dimensions by the word “cast,” if a casting, and “rough,” if a forging.
STANDARDS.
16. The following standards shall be strictly adhered to as given in the tables noted:
(1.) Table of standard diameters of shafting and key seats.
(2.) Table of standard stock sizes of rounds.
(3.) Table of standard stock sizes of flat steel.
(4.) Table of standard clearance fits.
(5.) Table of standard symbols for notation of riveting.
(6.) Table of standard symbols for pipe fittings.