For sale is a Antique Keuffel & Esser Planimeter 4212 Serial 4329 With Original Box. Unit is in good shape. Please inspect photos before purchase as these will be the items you’ll be receiving thanks again!
Alvin Drafting 8″ Semicircular ProtractorModel Number: P477Made of heavy-duty 0.09″ thick clear plastic with a beveled outer edge for accurate drawing. Features a center cutout finger lift and accurate die-stamped graduations in ½° increments.
The Theo Alteneder & Sons Philadelphia Drafting Ruler is a vintage tool made in the USA, measuring 7 inches in length. This collectible item is designed specifically for drafting purposes, with the brand name Theo Alteneder & Sons known for producing high-quality drafting tools. Perfect for engineering and science enthusiasts, this ruler showcases precise craftsmanship and a piece of American industrial history. Marked T. Alteneder & Sons Phila. and U.S. St’d. Number 660 is a mark and 1320 is a mark. Does have some light browning on ends. Comes in original paper sleeve. No chips or cracks. Very good condition.
Alteneder & Sons of Philadelphia.
Alteneder & Sons of Philadelphia.
Original professional drafting straightedge manufactured by Theo Alteneder & Sons of Philadelphia, PA. • Clearly stamped: “THEO. ALTENEDER & SONS PHILA. • Beveled graduated edge for precision drafting.
