Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 251
to the extent desired. AVherever a flat-tened head would interfere with some connecting part of a structureit is necessary to countersink the heads, sometimes on one end ofthe rivet and sometimes on both ends. Fig. 1S9 shows conventionalsigns for representing the different kinds of rivet heads… … <1> O o a o o tca a>-] iZ 1-1>-i< X o M IX o H inJ 6 OS S B cd Q oo / :^ ar M H ir n n
Architecture · Building · Carpentry
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