Lot of 4 Cardinell Drafting Board Attachements for Parallel Straightedge No.1730

Vintage Draftsman Board 12"X14"

Vintage Charles Bruning White Plastic Drafting Machine Ruler with Case

Alvin Black Gray Drafting Mechnical Machine Mini Drafter With Cover

Rare Vtg BRUNING 18" Style C-32 Wooden Drafting Ruler Full & Half Size 1/32”

Vintage Bruning 2126P Triangular Engineer Scale Ruler 12” Drafting Tool

Vintage Bruning Drafting 18-1/2" Machine Scale Ruler Clear Plastic Yard Patent

Vintage Charles Bruning Co. 2710 Metal Aluminum Drafting 12 ,,,Inches Ruler 6”