A few examples of appraisal values for
SPENCER LENS

• SPENCER PORTLAND 15" F/5.6 LENS
  SPENCER PORTLAND 15" F/5.6 LENS Spencer Portland 15" f/5.6 lens.
• SPENCER LENS CO. IRON & BRASS
  SPENCER LENS CO. IRON & BRASS MICROSCOPE IN CASE Spencer Lens Co. (American, 1895-1945), 1914. Iron and brass monocular microscope, having a square stage, plano/concave mirror, and on a Y-shaped base; in original case with additional accessories and pamphlets. Marked to base 'Spencer Lens Co/Buffalo, N.Y.', serial number 23239. Approx. h.11.25" (microscope); h. 14.25, w. 7.25", d. 8.5".
• SPENCER LENS CO BRASS MICROSCOPE
  SPENCER LENS CO BRASS MICROSCOPE 29687Spencer Lens Company brass microscope # 29687 with Bausch & Lomb fitted case. Circa 20th Century. Additionally 2 boxes of glass slides. Microscope: 6" L x 4" W x 12"H. Case: 15 1/4" L x 7 1/2" W x 9 1/2" H. Wear to brass surface. Eye piece is clear. 2 objective lens out of 3 included.
• Spencer Lens Company Monocular
  Spencer Lens Company Monocular Microscope, 1924, Buffalo, New York, Model 44, serial number 89878, with black-enameled cast-iron frame and brass and steel fittings, with applied label "Department of the Interior/US/Fish and Wildlife Service" and their inventory number 419125, h. 12-1/2". Spencer company records show the 80,000 range serial numbers manufactured between May 1923 and August 1925. Their 1924 catalogue illustrates this very popular model on page 27; this particular lot also features the rack-and-pinion, vernier gauge mechanical stage No. 493 illustrated on page 68 of the same catalogue.
• SPENCER MICROSCOPE IN ORIGINAL
  SPENCER MICROSCOPE IN ORIGINAL CASE: Brass Microscope, by Spencer Lens Company of Buffalo, New York. Serial #2155. Also included is a 2, 4, & 16 millimeter lenses. Key is present. Approx. 13.5'' h x 7'' w x 7'' d. CONDITION: Door lock seems to turn, but does not completely open. Wear to all consistent with age and use.
• MICROSCOPE. Spencer # 132675. Black
  MICROSCOPE. Spencer # 132675. Black lacquered with U shaped base square stage triple lens rack focusing and 10x eyepiece. 12 1/2'' h.
• SPENCER BUFFALO MICROSCOPE WITH
  SPENCER BUFFALO MICROSCOPE WITH LENS AND CASESpencer Buffalo Microscope with Lens and Case
• CARL ZEISS DIASCOPE 65T*FL SPOTTING
  CARL ZEISS DIASCOPE 65T*FL SPOTTING SCOPE 15x to 45x green color black neoprene cover ''Slik'' tripod with quick release plus ''none Typical Outdoor Gear'' carry case. The scope is in very good condition with light wear throughout. The glass appears go be in good condition and scratch free but it could use a cleaning.
• SPENCER, BAUSCH & LOMB
  SPENCER, BAUSCH & LOMB MICROSCOPESTwo early 20th century microscopes consisting of an iron and brass jug-handled Spencer microscope, one stage clip missing, measuring 14" to top of eyepiece, together with a black enamelled iron and brass Bausch & Lomb microscope, one stage clip missing. Measuring 13.5" to top of eyepiece. Offered as is.
• BURKE & JAMES AJAX PORTRAIT LENS
  BURKE & JAMES AJAX PORTRAIT LENS Burke & James Ajax Portrait Lens
• SPENCER MICROSCOPE IN CASESpencer
  SPENCER MICROSCOPE IN CASESpencer Microscope in Case
• American Lacquered and Enamelled
  American Lacquered and Enamelled Brass Monocular Compound Microscope, Spencer, Buffalo, N.Y., c.1930 serial no. 109382, with course and fine focus, mechanical stage and sub stage condenser cased 13.5 x 7 x 9 in — 34.3 x 17.8 x 22.9 cm
• Single draw brass telescope,
  Single draw brass telescope, sliding lens cap, in working order, opens to 24 in., with fabric casing. Slight corrosion, case with minor fraying. Collection of Courtney Smith, Sr., Highland Springs, Virginia.
• CASED MICROSCOPE. Spencer #
  CASED MICROSCOPE. Spencer # 42179. U shaped base square stage triple lens (missing one) rack focusing and 10x eyepiece. 11'' h.
• Buffalo NY Spencer microscope
  Buffalo NY Spencer microscope serial number 80857 black enamel 6'' x 4 1/4'' x 12 1/4''; black cloth microscope protective cover; wooden microscope carrying case heavily scratched on back missing front knob inscribed interior ''I.L. Ertman Hartford Conn. U. of Conn. 1935-1939'' 8 3/4'' x 7'' x 13 1/4''; spare 10x lens; leather box lined with purple velvet containing extra slides 3 3/4'' x 3'' x 1 1/2''; two empty lens cartridges for 16MM and 4MM lenses.
• WOLLENSAK VERTIO 7" F/4 DIFFUSED
  WOLLENSAK VERTIO 7" F/4 DIFFUSED FOCUS LENS Wollensak Vertio 7 inch f/4 Diffused Focus lens.
• GOERZ LENS Goerz Lens
  GOERZ LENS Goerz Lens
• SCHNEIDER - KREVSNACH TELEPHOTO
  SCHNEIDER - KREVSNACH TELEPHOTO LENS & CARL ZEIS LENS 4/40: Estate of Jon Silengo, Photographer for the Military, Disney and Instructor at El Camino College CA.
• CELESTRON TELEPHOTO LENS. Second
  CELESTRON TELEPHOTO LENS. Second half 20th century. Schmidt Cassegrain Celestron Telephoto 750mm f/6. S/N 4 616 7. With strap and base.
• CASED SPENCER BINOCULAR MICROSCOPE,
  CASED SPENCER BINOCULAR MICROSCOPE, WWII VINTAGE Antique 1942 Spencer Buffalo Binocular Compound Cast Iron Scientific Microscope with three objectives, s/n 133643, with extra lenses in 10" x 8 1/2" x 14" case. Working condition.
• Five draw brass telescope, shaped
  Five draw brass telescope, shaped eyepiece, sliding lens cap, black paint, leather mounts, in working order, opens to 43-1/2 in. Several dents, several elements loose. Collection of Courtney Smith, Sr., Highland Springs, Virginia.
• Leica Televid 77 spotting scope,
  Leica Televid 77 spotting scope, serial #2046087, angled eyepiece B20x-60x, serial #2066541, with canvas cover and Gitzo Manfrotto G1228 tripod, Lenses are clear, all parts move to adjust for seeing
• ASSORTMENT OF LENSES: Estate of Jon
  ASSORTMENT OF LENSES: Estate of Jon Silengo, Photographer for the Military, Disney and Instructor at El Camino College CA.
• SPENCER MICROSCOPE WITH CARRYING
  SPENCER MICROSCOPE WITH CARRYING CASESpencer Microscope with Carrying Case,
• WOLLENSAK VERTIO 9 INCH F/4
  WOLLENSAK VERTIO 9 INCH F/4 DIFFUSED FOCUS LENS ,Wollensak Vertio 9 inch f/4 Diffused Focus lens on Studio shutter.
• CARL ZEISS CF TA TELE APOTESSAR
  CARL ZEISS CF TA TELE APOTESSAR 8/500 LENS 6571844: Estate of Jon Silengo, Photographer for the Military, Disney and Instructor at El Camino College CA.
• Two Shagreen Spy Glasses one of
  Two Shagreen Spy Glasses one of seven-sectioned form the other of two-sectioned form. Length of longer when opened 20 5/8 inches.
• WOLLENSAK VELOSTIGMAT SERIES II 16"
  WOLLENSAK VELOSTIGMAT SERIES II 16" F/4.5 LENS ,Wollensak Velostigmat Series II 16 inch f/4.5 lens.
• CARL ZEISS DISTAGON 1:28 F=50MM
  CARL ZEISS DISTAGON 1:28 F=50MM LENS T* NR 590 2211: Estate of Jon Silengo, Photographer for the Military, Disney and Instructor at El Camino College CA.
• WOLLENSAK VERTIO DIFFUSED FOCUS 18"
  WOLLENSAK VERTIO DIFFUSED FOCUS 18" F/4 LENS ,Wollensak Vertio Diffused Focus 18 inch f/4 lens.
• SCHNEIDER TECHNIKA PRESS-XENAR
  SCHNEIDER TECHNIKA PRESS-XENAR 127MM F/4.7 LENS Linhof Technika Schneider Technika Press-Xenar 127mm f/4.7 lens in Linhof Compur shutter.
• SPENCER MICROSCOPE, MODEL NO.
  SPENCER MICROSCOPE, MODEL NO. B-35-83 WITH CASESpencer Microscope, Model no. B-35-83 with Case,
• LEITZ SCREW ON LENS MOUNT ADAPTER
  LEITZ SCREW ON LENS MOUNT ADAPTER AND LENS: Ernst Leitz lens Telyt f-20cm. Complete with lens cover and a Leitz flash reflector.
• Linhof Super Rollex Camera with
  Linhof Super Rollex Camera with Schneider Lenses
• American Optical Stereo Microscope,
  American Optical Stereo Microscope, model 570 0.7 to 4.2X, and Industrial American Optical Adjustable Spotlight Lamp (cord needs repair)
• SPENCER BRASS MICROSCOPE, EARLY
  SPENCER BRASS MICROSCOPE, EARLY 20TH C.Spencer brass microscope, early 20th c., in a fitted carry case with accessories, 11 1/2" h. Provenance: From the Collection of Dr. and Mrs. Irving Williams, Lewisburg, Pennsylvania. Competitive in-house shipping is available for this lot. Condition: Good condition. No apparent damages or repairs.