Bausch & Lomb Abbe Refractometer [146170]

Bausch & Lomb Abbe Refractometer in original wooden case in working condition. A refractometer measures the ability of a liquid to bend (refract) light passing through it, which is related to how much

A Dipping Refractometer by Bausch and Lomb, Mid-20th Century. Reading 0.00003-0.00004 refractive index units. Having four auxiliary prisms (1.32-1.36, 1.36-1.40, 1.39-1.43, 1.43-1.47), beaker and two

This scope is in perfect working order and all parts function smoothly, 10X Eyepiece, 10X, 43X and 97X Oil Objectives - All Original Fixed Stage with original stage clips, Height adjustable Abbe Conde

Lacquered Brass Griffith Club Microscope by Bausch & Lomb Lacquered Brass Griffith Club Microscope by Bausch & Lomb, Serial No. 1019, engraved “E.H. Griffith, Pat. Ap'd. For, Fairpo

Bausch & Lomb 'Harbor Master" Brass Telescope. Established in 1883. USA. Signed in cursive on left side of Telescope Bausch & Lomb. Numbered 2826. This piece is a sculpture as much as it is functional

Bausch & Lomb Harbormaster Brass 35 x 76MM Telescope. On mahogany tripod stand. Established in 1883. USA. Signed in cursive on left side of Telescope Bausch & Lomb. Numbered 3379. This piece is a scul

VINTAGE BAUSCH & LOMB HARBORMASTER BRASS ASTRONOMY TELESCOPE ON TRIPOD MAHOGANY STAND #0706-HEIGHT 60" \ TELESCOPE 48" LONG-VERY GOOD PRE OWNED CONDITION-DP12623

Getting all pictured

Item/Description: Brass telescope & adjustable swivel mount on wood tripod. Brass protective lens cap. Telescope engraved: Bausch & Lomb / Established in 1853 / 2098. Bracket marked: 35 x 76 mm / Japa

1942 WWII Bausch & Lomb US Navy MK1 Ships Telescope with original brass mount and newer box.. Measurements in inches: 27 long x 4 1/2 diameter Condition:Normal wear with age. Optics serviced after the

Microscope, Cased, Bausch & Lomb, SN 54700 c. 1905, 3 Objective, 1 Eyepiece, Brass, Optical, Scientific

black, serial no. XF870, body, VG, elements, VG, some light internal marks

Brass compound monocular microscope Bausch & Lomb Optical Co., Rochester, NY, circa 1897 Marked "Bausch & Lomb Optical Co. Rochester NY", ""55922", "Spencer Buffalo USA", and "Pat. Feb. 16 1897"; toge

United States Navy Bausch & Lomb Opt. Co. range finder, 1942, off a Destroyer, 46"h x 18"d. Provenance: Property from the Spenger's Fish Grotto Collection, Berkeley CA

A Bausch & Lomb Baltar f/2.3 75mm Lens, A Bausch & Lomb Baltar f/2.3 75mm Lens, black, serial no. EF125, body, G, elements, VG, some very light cleaning marks

A Bausch & Lomb Baltar f/2.3 40mm Lens, A Bausch & Lomb Baltar f/2.3 40mm Lens, black, serial no. BF4443, body, VG, elements, F-G, cleaning marks

Bausch & Lomb Signed Fine Brass Microscope with Extras

US Navy Mark 23 Binoculars and Case

Cast Iron & Lacquered Brass Microscope in original wood case. Patent dates of Oct. 3, 1876 and Oct. 13th, 1885. Bottom marked "13" and ownership inscription. One Optical and Two Objective lenses. Pain

Antique 1897 Bausch Lomb Microscope; comes in cherry wood case and 1 extra eyepiece and 1 extra lens obejctive in brass canisters. Case size: 15"x9"x7.5"

Item: Vintage Bausch & Lomb Brass Microscope Set est early 1900s Weight: 12.32LB Size: Box H:14" Microscope H: 12" W: 4" Please note that this lot has a confidential reserve. When you leave a bid in a

signed on tube, numbered 0500, mounting base for three legs (not present). 11 5/8" high, 50" long extended, 3" diameter lens. Oxidation, some scuffing. Property of an Essex CT estate.

Nickel plated; black enameled cast iron base; (4) lenses and items in drawer; walnut case; case H-12", G-VG

[Black Americana] Bausch & Lomb Magic Lantern Projector with Slides. Approximately 66 colored lantern slides. Includes several boxed 3 ¼ x 3 ½” Junior Lecturers’ Series colored l