c. 1930's vintage industrial scientific laboratory wall mount chalkboard with varnished oak wood frame

institute of radiobiology & biophysics, univ. of chicago

Bell Howell Art School Viewing Screen : Factory 20

Early 20th Century French Laboratory Scale For Sale at 1stDibs

c. 1950's vintage industrial single-sided wall mount black slate chalkboard with varnished oak wood frame

Ilyapa Rustic Wooden Magnetic Kitchen Chalkboard Sign - 20x30 Inch Brown Framed Wall Hanging Chalk Board for Farmhouse Decor, Wedding, Restaurant Menu & Home : Home & Kitchen

Antique Teachers Travel Desk Chalkboard Scroll Meyers And Co. 1900's

Magnetic Wall Chalkboard Monthly Calendar, Rustic Wood Frame Large Chalkboard Calendar, 24 x 30, Wall Mount, with Chalk Marker & Magnets, by Better Office Products : Office Products

Everything you need to welcome guests to your restaurant, retail store, birthday party, or baby shower is included in this indoor/outdoor wooden framed message board set available in 6 colors. Create your custom messages and place this chalkboard on the sidewalk to advertise your daily specials or inside your venue to direct wedding guests to the correct reception area. Constructed from solid pine, this wind resistant sandwich board features heavy duty hinges and security chains on both sides.

Flash Furniture 40 x 20 in. Canterbury Whitewashed Wooden Indoor & Outdoor A-Frame Magnetic Chalkboard Sign Set White

20x30 Rustic Wood Frame Magnetic Chalkboard – LoddieDoddie

HBCY Creations Rustic Whitewashed Vintage Wooden Magnetic A-Frame Chalkboard / Sidewalk Chalkboard Sign / Large 40 x 20 Sandwich Board

MyGift Vintage Wall Mounted Brown Wood Framed Chalkboard Sign / Retail & Cafe Menu Boar

HBCY Creations Rustic Whitewashed Vintage Wooden Magnetic A-Frame Chalkboard / Sidewalk Chalkboard Sign / Large 40 x 20 Sandwich Board

RUSTIC FRAME CHALKBOARD: Solid wood frames are stained with a farmhouse honey brown, then hand assembled, ensuring your hanging chalkboard sign will

Magnetic Chalk boards with Frame by VersaChalk (15 x 10 Industrial, Porcelain, Double Sided) Rustic Hanging Chalkboard Signs for Business, Bistro

A3 3040cm Wooden Frame Magnetic Chalkboard Double Sided Magnetic Board Wall Chalkboard Hanging Writing Board

U Brands Magnetic Chalkboard, 20 x 30 Inches, White Wood Frame (2073U00-01) : Office Products

HBCY Creations Rustic Torched Wood Magnetic Wall Chalkboard, Extra Large Size 20 x 30, Framed Decorative Chalkboard - Great for Kitchen Decor, Weddings, Restaurant Menus and More! … (20 x 30)…