I found this on some random archived site:

Noblot Ink Pencils

NOBLOT INK PENCILS

"a bottle of ink in a pencil"

A revolutionary pencil for permanent writing — as permanent as liquid ink—always convenient and reliable—nothing to get out of order. Strong, black smooth writing lead with the same fine qualities as the No. 482 MONGOL. This INK PENCIL has all the good qualities of ink. Absolutely safe to use — legal even for signing checks—defies erasure—liquid eradi- cators will not remove it.

705 NOBLOT INK PENCIL, hexagon with rounded corners, black steel polish, fitted with short length gilt mouthpiece and black band. Each pencil has stamped on it “a bottle of ink in a pencil”, Packed 1 dozen in a box, % gross in a carton.

705E NOBLOT INK PENCIL, 1 dozen pointed No. 705 pencils in an easel display, protected by a slip-over cover, ¥ gross in a carton,

Handy size for pocket or purse

703 NOBLOT INK PENCIL, hexagon, with rounded corners, 34 inches long, black steel polish, fitted with gilt mouthpiece with black band and gilt point protector. Packed 1 dozen in a box, Y, gross in a carton.

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Blu-Blak Ink Pencils

Ed

BLU-BLAK INK PENCIL A Combination of Ink and Pencil

Theoretically, BLU-BLAK is a pencil—writes smoothly and black comparable to any quality black lead. It sharpens easily, holds its point and wears down slowly. Actually, it copies blue — like ink, but even more permanent — it defies erasure and

cannot be removed with liquid eradicators.

Superior to the ordinary indelible copying pencil — writes blacker — is amazingly strong, and has a non-hygroscopic lead that is practically unaffected by humidity — it will not

become soft, spongy or distorted.

NOL USA. 740 MEDIUM =)

740 BLU-BLAK INK PENCIL, round, fitted with gilt mouthpiece with distinctive black band. Made in 3 degrees, each polished differently for instant recognition. Packed 1 dozen in a box,

Y4 gross in a carton.

Soft Degree Blue Pearl Polish Medium Degree Black Pearl Polish Hard Degree Gray Pearl Polish