Vintage Mullan Tool Magnetic Reel Brass Plumb Bob 14 oz Machining

Past Auctions - Irene Auction Company, LLC

Crown Tools 3-1/2 oz Pin Hammer – Hardwick & Sons

Japanese 20 oz Smooth Face Electrician's Hammer with Hickory Handle – Hardwick & Sons

Plumb Bobs, Reels, & Mason Line – Hardwick & Sons

Merchant Magazine - March 1988 by 526 Media Group - Issuu

Vintage Snap On 8 Drum Brake Adjusting Tool S5912

Vintage Plumb Bob reel by Mullan Tool Co. NOS made in USA all metal

Scientific American, Volume 56, No. 9, February 26, 1887 by Various.--a Project Gutenberg eBook

30 Dec 1905 - Advertising - Trove

Merchant Magazine - April 1986 by 526 Media Group - Issuu

Large Vintage Brass & Steel Plumb Bob Tool & Mahogany Spool plum bob plumbob