SKINNER presents a Gallery Walk

157
153.
Group of Scientific Instruments, including Otis King’s Patent
Calculator, a portable folding gold scale, two pocket compasses, an
Ashcroft thickness gauge, and microscope components.
$100-150
154.
Pair of Theotorlites and a Map Plotter, used for sun radiation study,
the theotorlites with eyepiece set at 90 degrees to the telescope, both
on a rotating shaft, base with bubble levels and electrical contacts
on rotating platform, both housed in custom made wooden cases,
each with its own tripod; large aluminum map plotter with a full circle
indicator on arm divided into half degrees, in a oak box.
Provenance: Dr. Brian O’Brien.
$1,000-1,500
155.
Electric Light Eliminating Scope, c. 1940, used for viewing sun
activity and atomic blasts, black painted metal scope, viewing piece
above 115 volt electric motor, plate stating Institute of Optics, University
of Rochester, MOD. 7001, SER. 01, lg. 19 in.
Provenance: Dr. Brian O’Brien.
$300-500
60 additional information and photos at www.skinnerinc.com
155A.
Brass Diamond Grader, engraved on lid Exupere, 71 rue de Curligo,
Paris, the cylindrical vessel with engine-turned lid signed as above, thirty
3-in. dia. sheets with specific sized holes to sort diamonds into different
levels of the container, ht. 3 3/4 in.
$400-600
156.
Ross 7 x 50 Binocular Gun Sight, London, England, c. 1940, green
painted body with engraved markings Ross, London No. 1125379
on lens body, three filters and original eyecups, housed in the original
military-issued wood box, lg. 11 in.
$200-300
Photography
157.
Large Tintype, c. 1860, image with two seated gentleman in top hats,
exchanging money, prop wooden fence against a painted backdrop
depicting a camping scene, wd. 10, ht. 7 in.
$300-500
158.
Jules Richard Stereoscope, Paris, France, c. 1900, hand-held
burlwood and inlaid box-type viewer, nickel plated bed with left/right
lens adjuster and stamped Made in France and Brevetes, SGDG,
Paris, rack-and-pinion focusing knob, ivory name plate stating in part
VERASCOPE RICHARD, nine plates and two other unassociated lenses
in a velvet-lined box.
$200-400