North America Archives - Page 3 of 18

Comments Off

Camman’s second-model stethoscope with fixed Ebonite chest piece. Some darkening of the metal on the ear piece but overall in very good condition. Read More...

10 Oct

scrimshaw bone compass and magnifying glass, marine

By Gilgamesh

Comments Off

A similar artwork (though without reference to a specific ship) can be seen in https://www.worthpoint.com/worthopedia/scrimshaw-bone-loupe-compass-mermaid-1867300976 Read More...

08 Oct

A set of four Cole’s 1886 US Patent throat speculums

By M and R Gordon

Comments Off

A set of four Cole’s 1886 US Patent throat speculums. Each marked with patent date and all in very good+ condition. Read More...

23 Sep

P.D. Pinke’s 1885 Patent Vapor Bath

By M and R Gordon

Comments Off

P.D. Pinke was awarded a US patent for his vapor bath on May 12, 1885. The details of its construction and use are contained in the patent description shown in attached image. Approx. 6” diameter x 13” tall. Complete and in excellent condtion. Marked with patent date. A rare and interesting apparatus. Read More...

22 Sep

Certified precision ruled diffraction grating by Bausch & Lomb

By Hatchwell Antiques

Comments Off

A large certified precision ruled diffraction grating by Bausch & Lomb of Rochester, New York. 600 grooves / mmBlaze angle 28 degrees, 41 minutes.Radius concave Serial number: 889-8-1-3Catalogue number 35 53 12 55 Width: 20 cm. Depth: 8 cm. Height: 17.5 cm. (window: 10 x 13.5 cm). Read More...

06 Sep

C1890 Electro-Galvanic Quack Belt

By M and R Gordon

Comments Off

A c1890 quack electro-galvanic belt. Claims by sellers of this type of belt were ambitious. They supposedly could cure anything from, from ED to rheumatism and even, in some case, life-threatening diseases. There is no maker’s name on this belt and the 1888 patent date on the buckle is more likely for the buckle than the belt. Overall condition is pretty good but the cloth covering on the wires is worn in spots. Read More...

31 Aug

~RARE AND FINE BAUSCH AND LOMB PETROGRAPHIC MONOCULAR MICROSCOPE~

By Scientifica Opticae Inc.

Comments Off

Standing 14 inches tall (16 inches fully racked), this instrument was intended to be an easy to use petrographic model for the student or professional. Made to the specifications dictated by George H. Williams, professor of minerology and inorganic chemistry at John Hopkins Hospital/University, it exhibits a few innovations of the time. c.1890. Bearing patent dates of 1876 and 1885, it is a pleasing combination of black enamel and bright, golden lacquer (99% intact). Three leg design (chips to feet), double Read More...

29 Aug

US Navy bronze ship’s anchor, dated 1941.

By Hatchwell Antiques

Comments Off

A World War II era US Navy bronze ship’s anchor, dated 1941. The anchor’s flukes are marked: USN and 1941 The stock of the anchor has a removeable shackle and chain. Height of anchor with chain: 100.5 cm. Height of anchor with out chain: 44 cm. Approx. weight: 9 kilos. Read More...

15 Aug

Healy Pictorial Completion Test II

By M and R Gordon

Comments Off

We are offering an example of a Healy Pictorial Completion Test II that was used for measuring intelligence. It is in very good good condition and retains its original case (11″ x 11″ x 1.5″). The illustrations were done by Marguerite Davis, a well-known children’s book illustrator, who was active in the early decades of the last century. It was copyrighted in 1917 by the Judge Baker Foundation, which is still in operation today. ” The “Judge Baker Foundation” Read More...

09 Aug

1888 Patent Gonorrheal Apron: mint and boxed

By M and R Gordon

Comments Off

Before the introduction of antibiotics in the 1940s, there was no truly effective cure for gonorrhea. Mercury, silver nitrate and heat were used but the their effectiveness was questionable and they came with risks of toxicity and other issues. As a result some men suffered from chronic gonorrhea with its associated discharge, the latter sometimes referred to as “gleet”(this term was also used for the disease itself). On January 3, 1888 W.F. Ware patented ( patent number : 0375846) Read More...

04 Aug

1940s Metabolic Rate Calculating Slide Rule

By M and R Gordon

Comments Off

A metal slide rule produced by the Jones Metabolism Equipment Company.It is marked in part “JONES METABOLISM EQUIPMENT CO” and “CHICAGO, ILLINOIS” on the back side, plus it has the directions for use on the back side.The front has two slides, and is designed to calculate percentage metabolic rate from the various inputs.Overall length is about 11-1/4″. The body appears to be aluminum, and the slides are probably anodized aluminum. A magnet is not attracted to any part of Read More...

30 Jul

Hartz’s Uterine Dilators and Electrodes

By M and R Gordon

Comments Off

A handsomely cased and complete set of Hartz’s uterine dilators and electrodes by Keniston & Root, working in Los Angeles. Length of case: 10.5″. In excellent condition throughout. Not much information is available about K&R. They are not in Edmundson. Davis & Dreyfuss list a catalog they published in 1922 and the firm placed an ad in the November 9, 1921 edition of the LOS ANGELES HERALD. ” The Tizzano Museum site shows a near-identical set that is described Read More...