Merck 1961 Kidney Model with stand. Measures 4 1/2" x 6" with stand. Good condition. Kidney opens up to 3 parts. Don't know if other parts are supposed to come apart. Has some light dust in crevasses.
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Here we have this Vintage 1947 Keuffel and Esser Slide Rule No. 68-1287 w/ Box, Manual and Green Leather Case. The box has edge and surface wear the slide rule and case are between very good and excel
Slide rule c 1959 belonged to former Congressman Bob Filner who started college as an engineering student before switching majors and obtaining his PhD in history of science.
Offered here is a 1935 letterhead and brochure from the Denver Equipment Company regarding their Denver Unit Flotation Cells. Two sided flyer well detailed, illustrated with photographs of how this mi
This auction is for a K&E LOG DUPLEX DECITRIG rule and case. The slide rule itself is in mint condition with both the slide and the cursor functioning like new. There are no defects with this item
VINTAGE DRAFTING TOOLS"SCHOLAR'S COMPANION" BOXNice little collection in a neat little boxTools are in GOOD CONDITION, could use a good cleaning, small compass has some surface rust. Box is well worn,
GENUINE ANTIQUE SHERATON BAROMETER CONVEX GLASS BRASS BEZEL FOR 8-0" DIAL Description: GENUINE ANTIQUE COVEX GLASS BRASS BAROMETER BEZEL FOR 8-0" DIAL. This part is from a mahogany mercurial wheel bar
Ten pieces of old laboratory fixtures, all for one monies. Beaker and test tube holders and other apparatus. Ask any questions before bidding. Returns accepted if item is misrepresented. I can only sh
ANTIQUE MICROSCOPE SLIDE BY ALFRED REEVES. MICROPHOTOGRAPH. THE INTRODUCTION OF CHRISTIANITY INTO BRITAIN. SEE IMAGES FOR CONDITION. EXCELLENT. NEAR TO MINT CONDITION I HAVE HAD TO RAISE POSTAGE COSTS