Sign systems manual 

 -  Studio Vista,  1970 
 - 76 p.  ill. (chiefly b/w, chart)  27 cm. 
<br/><br/> contains an Unit spacing chart  Terminology and Glossary 
<br/><br/><label>ISBN: </label>0289797780  3.60 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Signs<br/>Letters<br/>Signs displaying
<br/><br/><label>Dewey Class. No.: </label>729.19 SIG