<	Drafting Leadholder Thumbnail Index	direct link http://www.leadholder.com/lh-draft-kin-5617.html#5617-gold-imprint	^ top

Koh-I-Noor 5617 “Select-O-Matic”

(gold imprint)

Koh-I-Noor Inc., Bloomsbury, New Jersey, USA

lead diameter mechanism composition variations production date origin	2 mm to 2.5 mm pushbutton spring clutch all metal except pushbutton none circa 1955 to 1980s USA
special features	lead degree indicator integrated into pushbutton
see also	US Patent 2,751,700 "Indicators," 1953 US Patent 2,801,613 "Lead Gripping Means for Lead Holders," 1955 L&C Hardtmuth Technicolor 5617 Versatil non-drafting leadholder Koh-I-Noor 5617 thin lead drafting leadholder Charles Bruning General Catalog, 1957, p 204 Alfred Mossner Co. Catalog, 1959, p 57 Dietzgen Drafting Equipment and Supplies Catalog 22D, 1960, p 141 Koh-I-Noor Rapidograph catalog, 1980, p 30

I like this pencil. So I'm making you look at three sides of it. Koh-I-Noor later produced the Select-O-Matic II leadholder.










Display box of one dozen 5617s (1/2 scale).

<	Drafting Leadholder Thumbnail Index	direct link http://www.leadholder.com/lh-draft-kin-5617.html#5617-black-imprint	^ top

This variant is imprinted in black and on only two sides.

Koh-I-Noor 5617 “Select-O-Matic”

(black imprint)

Koh-I-Noor Inc., Bloomsbury, New Jersey, USA

lead diameter mechanism composition variations production date origin	2 mm to 2.5 mm pushbutton spring clutch all metal except pushbutton none 1980s USA
special features	lead degree indicator integrated into pushbutton
see also	US Patent 2,751,700 "Indicators," 1953 US Patent 2,801,613 "Lead Gripping Means for Lead Holders," 1955 Koh-I-Noor Rapidograph magazine ad, circa 1984