This is a very nice Pickett & Eckel metal slide rule with log log scale model N803-T log log. This rule is straight and works smoothly. The finish is in great condition with no scratches, only sli

 

This is for a nice clean Victorian Damp Detector pocket fob. It was very similar to a barometer and it is thought that it was generally used by servants to check that beds and bedrooms were not damp.

 

WOW, I DON'T KNOW WHO THESE ARE MADE BY BUT THEY ARE COOL LOOKING. THICK AND THE COLORING OF THE TORTOISE SHELL PATTERN IS VERY NICE!! THE FRONT AND SIDE FRONT EDGES HAVE AN ELONGATED TRAPEZOID THAT L

 

Drug Rep Pentasa Pen Very Unique, RARE Tip fits in ball like stand and the top has liquid the moves from one bubble to the other, activated by heat! New in Box Thank you for looking at my NO RESERVE a

 

Nice clean vintage German Atco porcelain dial wall barometer. Mahogany case in good shape. Porcelain dial in perfect condition and the beveled glass is also. Barometer functions and has and altitude s

 

A Collection of Circular Slide Rules and Calculators. See photos for what is included. All are in very good condition except the Range Computer which has 3 internal cracks in the back plastic disk. So

 

RARE * VINTAGE * METEOROLOGICAL * VIZ A.I.R. INC. RADIOSONDE * USED * NOT TESTED MODEL IS-4A-1680CARRIER FREQUENCY 1690.000 MHz USED, NOT TESTED SEE PICTURES

 

Vintage Drafting SetPrazision Original Lotter Made in GermanyFull set, some rust on a couple of the pieces Bid with confidence! Positive Feedback and Fast shipping!!If you have any questions concernin

 

Relay 151 bamboo slide rule with case in good condition, see all photos for detailed views. "Scientific Instruments Co." is printed on the edge, that was probably the US distributor. Cursor moves free

 

This sale is a for 2 booklets (one is a catalog) of Pickett slide rules. Buyer is responsible for the shipping costs. The shipping is figured on the location of the buyer and the weight of the item. W