Archives

Oscar Hanks Bow Compass – Circa Early 1840s

There are very few truly American designed instruments; the bow instruments are unique to the patentee, Julius and his son Oscar Hanks, who manufactured instruments in Troy NY during the mid 19th century.  The silvered compass dial is signed by engraving, “O. Hanks Troy NY.” The instrument stands over an impressive 19″ tall on a lathe-turned stand. The bow is over 11″ in diameter and the needle is approximately 5.25″ in length. The button-weighted Hanks needle is a very unique Read More...

ORIGINAL TINTYPE PHOTO OF SURVEYING CREW

ORIGINAL TINTYPE PHOTO OF SURVEYING CREW, American, c.1880. Measuring 2-1/4″ x 3-1/2″ (5.7 x 8.9 cm) , this outdoor tintype shows a full party of five relatively well-dressed men, including the bearded axe man with his gold watch chain, sitting on a bundle of wood stakes, the transit man with his well-polished shoes, protecting his instrument, a very young rod man with long banded rod, and two supervisors(?), one wearing a remarkable multiple tie. Despite some creases to the Read More...

An Example of the Locke Adder First Patent 24 December 1901

An attractive example of Art Nouveau designed Locke Adder. Invented by Clarence Locke (1865-1945) this is the first patent which was improved by a second in 1905. This was the first American adder to enjoy commercial success. For more information ssee nzeldes.com. In good working order, possibly missing felt cover to base. Read More...

Two days American Chronometer signed Bond In Boston

Interesting American Chronometer signed W. N Bond In Boston  N·543   Cased in mahogany box. Good condition . Mechanism perfect and function .  Read More...

The invention of the LED: small archive collection

A very nice and historically important collection relating to the invention of the Light Emitting Diode or LED, one of the most important energy efficient technologies of the twentieth century. The highlight of the collection is a preprint version of Nick Holonyak and S.F. Bevacqua, ‘Coherent (Visible) Light Emission from Ga(As1−x Px) Junctions’, Applied Physics Letters 1 (December 1962), pp. 82–83. The standard work on the subject describes this paper as follows: “The beginning of visible-spectrum LEDs dates back to the Read More...

Joslins 12” terrestrial table globe

A good example of a Joslins of Boston, USA terrestrial table globe in original condition  Read More...

Rare 19th-Century Trade Card for Chicago Scale Co.

A rare trade card for Chicago Scale Company. They were in business between 1863 and 1914 and at the address on the card between 1882-96. 5.5″x3″.  The card is beige and the graphics are medium green.   Read More...

C1860 Horn Cupping Set

Wet cupping sets with horn cups are not common. In our many years as medical antiques dealers this is perhaps the second or third example we’ve owned. It is cased, complete and in good condition, with a scarificator that loads and fires as it should. Likely American in origin and third-quarter of the 19th century in date.   Read More...

C1900 Lincoln Hospital Ambulance Surgeon’s Cap

Early in the last century ambulances in large cities carried surgeons with them on their calls.  These men, and they were virtually all men, wore identifying caps. The one on offer is from Lincoln Hospital, an institution founded in 1839 to serve the Black community in the Bronx but which evolved over time to become one of NYC’s major trauma centers and a teaching hospital. While there is some evidence of use it remains in remarkably good condition for Read More...

Herteloup’s Leech: complete signed set

A fine cased example of  Herteloup’s  leech set with four glasses, extra blade, extra head and spacers. Both case and leech are signed and marked with identical serial number.  Read More...

Original Photos Relating to Philo Farnworth’s Pioneering Television Work

Philo Farnworth was a major figure, if not the major figure,  in the development of television and one of a handful of  true  technological geniuses at work in the USA during the first half of the 20th century. We are offering four photos from Philo Farnworth’s labs in San Francisco and Philadelphia. These are original images from an album assembled by Farnworth in the 1930s to document work in progress. They show key members of his staff with various Read More...

JOSLIN’S TERRESTRIAL TABLE GLOBE

Hand-colored paper gores pasted on papier-mâché and plaster to form a 12″ diameter globe. Housed in a stand with four turned wooden legs and turned stretchers, supporting a wooden horizon bearing a printed zodiacal circle and brass meridian ring. Diameter 12 inch and 47 cm high.   The Cartouch gives: Joslin’s  Terrestrial Globe  /  Containing all the latest Discoveries and Geographical Improvements / Also the Tracks of the most celebrated Circumnavigators / Compiled from Smiths new English globe with additions and improvements by Read More...