-
The lamp is made from brass and cast iron. The instrument stands on a cast iron circular stand which is painted black. The circular column is connected to the base and holds the lamp via an arm. The lamps height can be adjusted by loosening the thumbscrew and adjusting the height along the column. The glass and brass reservoir is connected to the burner and has a blue glass chimney with a white porcelain shade which is removable. The shade is held by a circular attachment which stands adjacent to the column and can be adjusted vertically by a thumbscrew located at the bottom of the arm.
-
The lamp is made from brass and blackened metal. The instrument stands on a circular base which is signed "Watson & Sons, 313 High Holborn, London. W.C." Connected to the base is a square column, on which the lamp is attached by an arm. The lamp can be adjusted vertically by the column and thumbscrew by loosening the thumbscrew and adjusting the height. The glass reservoir holds the oil and there is a small, circular glass plug which can be removed to add fuel. Above the reservoir is the burner. The instrument also consists of wick adjustment wheel which is stamped "E. Miller & Co." The chimney has a removable blue glass window for emitting the light when using it with a microscope.
-
The lamp is made from brass, metal and cast iron. The instrument stands on a splayed tripod base which is weighted, with the stand of the instrument connected to one of the legs. The rectangular base of the lamp seems to be made from blackened metal and acts as a well for oil. There is a small cap on the base which screws open to pour in the oil or paraffin. The instrument can be adjusted vertically by unscrewing the thumbscrew on the post and adjusting the height. The lamp also has a magnifier attachment via an arm and gimbal. The thumbscrew on the side of the magnifier allows the magnifier to be tilted and adjusted.
-
The compound microscope is made from brass and has a circular base. The sub-stage mirror is fixed to the base on a gimbal which only allows it to rotate on its horizontal axis. The instrument has three scrolled supports which hold the stage and support the body-tube. The stage has the stage clips underneath it which hold the specimen so it can be observed through the circular cut out. There is also a central aperture for illumination by transmitted light. The body-tube is marked with numbers 1 to 4 which indicate the focus position of each lens. Coarse focusing is achieved by moving the body-tube closer or further from the fixed stage by sliding it. The ocular lens has a cover which can be slid open or closed. The instrument is signed "Lincoln London" on the body-tube.
-
The brass compound microscope has a blackened claw-foot base. The base is connected to a pillar via an inclination joint. The large thumbscrews on either side of the stage controls the coarse focusing by rack and pinion via a triangular column. The square stage has a substage circular iris diaphragm as well as stage forceps that connect via a pin to the stage. The stage has a swirl patina as well as a small shelf to hold specimens in place. The microscope has fine focusing controlled by a small thumbscrew at the bottom of the body tube. The substage mirror is plano-concave and connected to the pillar by a gimbal. The base is signed "W. JOHNSON. 188 Tottenham Court Rd. Optician to the London University Hospital 570."
-
The microscope lamp has a brass base and tall post with adjustable holders for glass reservoir, chimney and a swiveling adjusting magnifier. The adjustable magnifier would have been used to direct the light on to the specimen or mirror.
-
The simple dissecting microscope is made from brass and wood. The lenses, mirror, and other components fit into compartments on the underside of the stage. The stand is folded in the legs hold all the components in place. The stage has a circular cut out for observation of a specimen. The instrument should come with three lenses, but only one remains with the microscope. The mirror holder is present, but the mirror is missing. There is another arm and body tube attachment which would allow the microscope to operate as a compound microscope; however, it is not clear if it is original to the microscope.
-
The compound microscope stands on a tripod base, which is similar to the design used in W. Watson's more expensive instruments. The tripod ends in two uprights connected to the trunnion joint with adjustments that were similar to many other Watson models such as the Edinburgh and Royal. The double-sided substage mirror is housed in lacquered brass casing and set in a gimbal. The substage mirror is a screw focusing substage condenser which is similar to the American and German models. The mechanical square stage has two stage clips, one of which is spring loaded. The stage is designed along the Nelson form with U-shape cut out. This form of stage was used on this design from 1898 through 1913. The stage attachment can be moved vertically and horizontally by the two thumbscrews on the side in order to adjust the specimen for observation. "W. Watson & Sons Ltd. London" is etched into the stage. On the base, "W. Watson & Son Ltd. 15036", "FRAM" and "313 High Holborn London." are etched into the surface. Coarse focus functions by diagonal rack and spiral pinion which is controlled by the thumbscrews on either side of the body-tube whilst the fine focus is via a long lever controlled from the thumbscrew located at the top edge of the rear part of the arm. The Fram was an attempt at a slightly smaller and less expensive option than the earlier Edinburgh stand. The wooden case is original to the microscope and has a compartment to hold the lenses which can slide out.
-
The compound microscope is made from brass and japanned brass. The microscope stands on a Y-shaped stand which is connected to the pillar. The pillar ends in an inclination joint which allows the microscope to be angled for observation. The fixed square stage has stage clips that hold the specimen in place; however, one clip is missing. The sub-stage mirror is held in a gimbal on an arm. The microscope has a signature "jug-handled" limb as it resembles a handle. The body-tube has an extension with measured markings, which via a sliding mechanism, can extend the length of the body-tube in order to focus. The coarse focusing functions via a rack and pinion mechanism which is controlled by a thumbscrew on the side of the body tube. Fine focus is controlled by the small thumbscrew on the top of the pillar. The instrument has the serial number "101809" etched into a black plaque on the base. The instrument has a triple nose piece which can be rotated and adjusted. The case is made from wood and has a brass carry handle. The case has a draw in the top left corner for the objectives and eye pieces.
-
The American-style compound microscope is made from brass. The monocular microscope stands on a tripod stand which is connected to the pillar. The pillar is split into two by an inclination joint which allows the microscope to be angled for observation. The circular stage is fixed and has a rotatable iris diaphragm with apertures located beneath it. The sub-stage concave mirror is fitted into a gimbal which allows it to be angled to catch the light. Coarse focusing functions via rack and pinion controlled by two thumbscrews on either side of the body-tube. Fine focusing is controlled by a small thumbscrew located at the top of the pillar. The fitted wooden case has a small interior drawer and compartments to hold four ocular lenses. The case also has a lock and key that are still functional.
-
The screw barrel microscope is made from brass and has an ivory handle which can be dissembled to fit into the original case. The microscope consists of a cylinder with an external screw thread. The microscope has a mounted objective lens with a condenser lens screwed into the other side to illuminate the specimen during observation. Coarse focusing is achieved by screwing the body tube along the screw thread which adjusts the distance between lenses. The microscope is also equipped with an extension attachment that is needed to mount the objectives when using the stage forceps. The instrument can be used as a simple or compound microscope, depending on how many objectives are used. The case has a red velvet interior that has compartments for the dissembled microscope and its accessories. The case is secured by two brass swing hooks; however, one is missing.
-
The Martin-type microscope is made from brass and has a circular base. The substage mirror is located in a circular cut out beneath the circular stage. The sub-stage mirror can be rotated by a thumbscrew on the side of the microscope. The instrument has a hinged magnifier above the cut out that contains the stage, and can be maneuvered to catch the light. Coarse focusing is achieved by sliding the body-tube closer and further from the stage. The wooden case is designed along a "coffin" style and is secured by brass swing hooks. The case has compartments to hold slides and accessories.
-
The compound microscope is made from lacquered brass. The pillar is screwed into a socket screw that secures the microscope to the top of the case. At the top of the pillar is an inclination joint which allows the microscope to be angled for observation. The body-tube can be slide into an attachment on the arm. Coarse focusing is achieved by sliding the body-tube through the draw-tube closer or further from the stage. The rectangular mechanical stage has an attachment that holds the specimen in place as well as a bulls-eye condenser which is attached via a pin. The specimen can be adjusted vertically by the thumbscrew on the side. The microscope also has a sub-stage iris diaphragm which rotates via a pin attachment. There is also a thumbscrew located underneath the stage that controls the space between the iris diaphragm and the stage. The sub-stage mirror is one-sided and is held in a gimbal. The case is made from mahogany and has compartments to hold the dissembled microscope. The case has a functional lock and key.
-
The bullseye condenser is made from cast iron and brass. The base is weighted cast iron, with a ring of brass around the pillar with "R&J BECK Lt. LONDON." etched into it. The instrument would have been used to direct and intensify light from a flame or lamp for the observation of a specimen under a microscope. The magnifying glass is connected to a brass arm which is attached to the pillar by a ball and socket joint. The underneath of the base is lined with red velvet.
-
The microscope is made from brass. The instrument can be closed and extended to reveal two square cutouts on either side of the microscope. In the middle section, a specimen can be placed through the cutout for observation. The presence of an ocular lens, magnifying lens (in the center) and a lens at the bottom of the instrument allows it to also function as a telescope.
-
The stage forceps/specimen holder is made from brass. The instrument would be attached to a microscope/stage for holding the chosen specimen in any position under a microscope. There is a cork encased in brass at one end which would have been used by sticking a needle/pin in the cork and picking up a specimen for observation. The arm rotates and swivels on a ball joint in the center. There are two small turning screws which open and close the tweezers holder.
-
The microscope is designed along the Antonie van Leeuwenhoek microscope and is made from brass and wood. The brass plate has two small holes for observation. The specimen would be placed on the specimen forceps which are not present with the instrument. The instrument does have a attachment to add forceps. The handle is made from wood.
-
The dark well sub-stage condenser comes with 3 inserts. The instrument is used to make a dark background for an object when using a Lieberkuhn microscope.
-
The live box is made from a brass plate with a brass cylinder mounted on it with a glass lens. The glass lens is mounted on blackened brass. The specimen would be placed on the circluar glass for observation on a microscopes stage.
-
This instrument is a replica of the Antonie van Leeuwenhoek simple microscope and is entirely handmade from polished brass. The biconvex glass lens was hand-ground and polished using similar techniques to those used by Leeuwenhoek himself. It has approximately 100 x magnification. The replica is treated with "Renaissance" micro-crystalline wax.
-
A compressor lever was designed to contain living (and moving) specimens for observation under a microscope. The thick brass plate connects to a swivel arm which provides a pivot for a bar that holds at one end a glass disk in a gimbal. The other end has a screw with a knurled knob that provides the leverage to press the glass disc down on the thick glass disc held in the plate with the specimen sandwiched between discs.
-
The brass canister has a screw top which has the "1/4in Baker London" etched in a cursive font. The canister would be used to hold an objective lens which would be screwed into the lid and then screwed into the canister. The canister also has "1/4" etched into the bottom.
-
The instrument has three horn-framed lenses, each with a different strength. The lenses are hinged on a joint that allows them to be swiveled out for observation. They can also be used together when the instrument is closed as there is a small lens cut out.
-
The simple pocket microscope is made from brass. The lens on the underside of the microscope is a Stanhope lens. The ocular lens is a lower-power convex simple lens. Each lens can be focused by drawing the body tube in and out of the drawtube. The mirror is located between the lenses and revolves to reflect light into either lens. To view, specimens are held on a pin, between tweezers, or between the microscopist's fingers as the small size cannot accommodate slides. The lower simple lens can be removed so the instrument can be used as a magnifier.
-
The simple wooden stand microscope replica is hand turned in East-Indian rosewood. Bi-convex lens is hand ground and polished to give a magnification of approximately 10X and is mounted between turned brass sleeves. The brass specimen pin and lens sleeves are lightly chemically aged to give an antique appearance. The finish is shellac based followed by "Renaissance" micro-crystalline wax. The instrument has a spring specimen holder.