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TEC Drafting Pencil

TEC Pencil Company, Los Angeles, California, USA

lead diameter mechanism composition variations production date origin	2 mm head twist lock clutch machined plastic barrel, molded plastic cap, metal mechanism none 1940s USA

see also	US Patent 2,298,555 "Mechanical Lead Pencil," 1939 TEC Refill Leads


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Vemco TEC Drafting Pencil

(pointed head)

V & E Manufacturing Co., Pasadena, California, USA

lead diameter mechanism composition variations production date origin	2 mm head twist lock clutch machined plastic barrel, molded plastic cap, metal mechanism none 1950s USA
special features	interchangeable lead indicator rings
see also	Vemco TEC Photographic Retouching Leadholder Defiance Sales Corp. catalog, 1955, p 251


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Vemco TEC Drafting Pencil

(flat head)

V & E Manufacturing Co., Pasadena, California, USA

lead diameter mechanism composition variations production date origin	2 mm head twist lock clutch machined plastic barrel, metal mechanism none 1950s USA
special features	interchangeable lead indicator rings
see also	Defiance Sales Corp. catalog, 1955, p 251


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TEC Double-Ended Drafting Pencil

TEC Pencil Company, Los Angeles, California, USA

lead diameter mechanism composition variations production date origin	2 mm mid-mounted double twist lock clutch machined plastic barrel, metal mechanism none 1950s USA
special features	unusual double ended adaptation of the head-twist mechanism interchangeable lead indicator rings
see also	Vemco TEC Photographic Retouching Set Gordon Draftsmen's Supply Co. catalog, 1948, p 51 Defiance Sales Corp. catalog, 1955, p 251

TEC Double-Ended Drafting Pencil

TEC Double-Ended Drafting Pencil

TEC Drafting Set packaging.


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