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Tacro 4434 “Professional 5”

Tacro, New York City

lead diameter mechanism composition variations production date origin	2 mm pushbutton spring clutch plastic barrel, aluminum grip, nickel plated brass fittings barrel color: black, blue, green, red, yellow 1990s Italy
see also	Tacro 4435 "Professional 5" drafting leadholder Koh-I-Noor 5611 C drafting leadholder

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Tacro 4435

Tacro, New York City

lead diameter mechanism composition variations production date origin	2 mm pushbutton spring clutch plastic barrel, metal clutch and pushbutton (probably) barrel color: black, ? circa 1950s Germany

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Tacro 4435 “Professional 5”

Tacro, New York City

lead diameter mechanism composition variations production date origin	2 mm pushbutton spring clutch plastic barrel, aluminum grip, nickel plated brass fittings barrel color: black, blue, green, red, yellow 1990s Italy
special features	sliding lead degree indicator
see also	Tacro 4434 "Professional 5" drafting leadholder

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	courtesy Laurie Schmidtke collection

Tacro 4436

Tacro, New York City

lead diameter mechanism composition variations production date origin	2 mm pushbutton spring clutch plastic barrel, metal clutch unknown (1970s) Germany

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Tacro 4436 & 4439

Tacro, New York City

lead diameter mechanism composition variations production date origin	2 mm pushbutton spring clutch plastic barrel, metal clutch and pushbutton barrel color: black, blue, green, red, yellow 1990s Italy
see also	Alvin "Scott" B/2 C-Thru 3500

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Tacombi No. 150 “Pocket Pencil Compass”

Tacro, New York City

lead diameter mechanism composition variations production date origin	1.18 mm slide actuated spring clutch plastic barrel and knob, metal clutch and compass leg none 1950s Germany

		left Tacombi packaging. below The pencil in compass configuration. The small knob on the left side of the barrel is the sliding actuator for the clutch. The top knob turns to clamp the compass leg into place.