Showing 28446 results

Archival description
With digital objects
Print preview View:

London dome hearing trumpet, 19th century

Black metal London Dome trumpet, with 8 inch opening in the mouthpiece/receptor area. Mouthpiece/receptor area is open with no grillwork in the interior. Body/earpiece starts in the interior of the mouthpiece section and continues out and curves into a long earpiece section, 1.5 feet long. Earpiece section is made of vulcanite. At the base of the receptor there is a soldered ring to allow the user to hook a finger through for ease of holding.

Booster-Duotone, 192-

Carbon aid in brown leather case. Handle on top with two snaps. Contains two round openings on front of box that show snowflake pattern of microphones, with an on-off switch between the two microphone openings. All parts of the aid are stored in the carrying case. Wires still intact along with cord--one cord has tag that reads "battery cord." No battery.

Binaural beard or neck receptor, 19th century

U-shaped concealed binaural beard receptor with eartips made of vulcanite. A thin hallow receptor with a long narrow opening and 28 small holes made out of metal rests under the beard and connects to the ears via flexible rubber tubes. There are springs inside the rubber tubes to allow the user to insert the eartips. Could also be worn under a scarf or tie.

London Dome hearing trumpet, ca. 1850

Black metal London dome trumpet with large, 8.5 inches wide, mouthpiece/receptor. The receptor has a flowered scroll design, 6 petals, with one center, in the interior. One curved tube along the side of the receptor continues and opens in the apex of the receptor. A curved handle leads to the earpiece along the side of the receptor allowing the receptor opening to be held towards the speaker. The device weighs approximately 2 pounds.

Smith's Sound Receptor, ca. 1880

Believed to be only one of its kind made according to Goldstein. Intended for use on a table or desk and collects soundwaves from all parts of the room. Black metal (heavy) box containing 32 square metal cubicles leading to a central receptor on the verso side. The receptor is connected with an outlet pan with a cloth covered long tube (too fragile to measure) and earpiece.

Results 41 to 60 of 28446