This is model no.316 and includes a really neat handheld microscope. Excellent condition. FREE S/H!!....US only, please

 

An excellent condition unbranded altimeter / barometer in black plastic housing with easy to read 2 1/2 inch dial type face. Tests accurate when compared to my GPS. It was made in Japan but there are

 

Vintage Faber Castell engineer slide rule 67/87 Rietz 463. Original green cover. Made in GERMANY. Condition very good see my photos. You get what you see.

 

Vintage COAL MINING MINERS SAFETY LAMP KOEHLER NO. 203 PERMISSIBLE ROY GOSSET This is a vintage KOEHLER PERMISSIBLE SAFETY MINING LAMP NO. 209. It has the tag of the person ROY GOSSET attached to the

 

UP FOR BID: PICKETT & ECKEL Slide Rule Model 4-T with Soft Case Item is in very good condition. Middle rule slides with ease. Length is 12 1/8". Width is 2 1/16", exclusive of sliding window. PAYM

 

Vintage, Eugene Dietzgen Company Drafting Tool Set 12 pieces. Tools are in good condition but the 3 compass/calipers do have some rust. The case is cracked and well worn due to age. This would make a

 

Russia Vintage Opera Binoculars in fully working condition, some pleasant time wear, no loose parts. Wonderful piece of history! Size: 4'' x 2'' Lens magnification is 2.5. The Binoculars has very good

 

If you need to draw polygons in circles or divide lines for any reason, then these are for you! The item is a set of proportional dividers. They come in their original case with instructions and are i

 

Today i have for sale a great 1960's mining safey sign . this one is porcelain enameled blue and white. it read no admittance except to employees on duty. this sign was made in pittburgh pa. this is a

 

CYANAMID NITROGEN PRODUCTS AND GLF COLLECTIBLE THERMOMETER  10" DIAMETER