This is a old collectible Devco mechanical slide pencil. I have many machinist and mechanical drawing items that were from an elderly mans estate. I can hear pencil lead when I shake it, but I am not

 

1942 Florence Nightingale PledgeCard Stock 8" x 10" Good condition, there is a little fading on the right edge that would be covered by a frame. Always listing interesting & unusual items so be su

 

Brass with hinged top. Measures about 5" diamter on top and 5.5" on base. Appears to be in very good condition. Excellent addition to any collection. Thanks and Happy bidding! -J

 

Pickett slide rule model N-515-T in CLEVELAND INSTITUTE OF ELECTRONICS with the leather case. As seen in current hit movie HIDDEN FIGURES This is the only simplex rule for which I show both front and

 

I have on offer a lovely German GB Gustav Becker? working ships clock and barometer. The wooden mount measures 12" X 6", and the dials measure 3 3/8". Offered for sale in superb working condition, and

 

Check out my other items! (Click on the symbol to see the other kaleidscopes in my store!) Award-winning design, one-of-a-kind, stained glass kaleidoscope, signed by artist. Completely handcrafted by

 

VINTAGE K2 HORSE RACING calculator - includes booklet, round slide rule and case. This plastic circular slide rule has a white base, with three concentric logarithmic scales, all numbered from 1 to 50

 

Very Fine & Flour Gold Recovery Table aka Miller Table Very Fine and Flour Gold Recovery Table with Adjustable Flow, Slope Lever and Handle. All metal parts stainless steel and aluminum with a Gol

 

Vintage Pfizer Drug Reg Pens: * lot of 2 * both heavy weight pens, weighing almost one ounce each * one has a marbled top and the "Viagra" blue bottom; it twists open * this one measures 5-1/2" L * ot

 

OBGYN VINTAGE Stainless Steel Surgical Tools PLUS MORE 25 TOTAL PIECES, All Appear to be in GREAT CONDITION.