Showing 5 items
matching hartmann of braun
-
The Ed Muirhead Physics MuseumResistance box
... hartmann of braun...Stamped on top of box: a coat of arms 'HARTMANN OF BRAUN...hartmann of braun resitance decade box resistance box ...Wooden box with brass top and 24 knobs (22 larger and 2 smaller) on the right-hand side. In addition there are two extra knobs on the right side of the top, as well as two removable oval access panels with handles on each of the ends.Stamped on top of box: a coat of arms 'HARTMANN OF BRAUN A/M' 'RICHTIG BEI / 20 / GRAD CELSIUS' increments for measurement On front side: Sticker labelled 'NATURAL PHILOSOPHY LABORATORY / NO 7 / UNIVERSITY OF MELBOURNE' Stamped on end of metal top: 'No. 2665'hartmann of braun, resitance decade box, resistance box, electical instruments, frankfurt, natural philosophy laboratory -
The Ed Muirhead Physics MuseumVoltmeter, Hartmann & Braun
... Voltmeter, Hartmann & Braun...Plaque: “Hartmann & Braun/A.-G./Frankfurt a.M.” Stamped...: “Hartmann & Braun/A.-G./Frankfurt a.M.” Stamped label: “NATURAL ...Assembled, moulded (bakelite). Coated. Surface finish: polished. Plaque: “Hartmann & Braun/A.-G./Frankfurt a.M.” Stamped label: “NATURAL PHILOSOPHY LABORATORY/No/UNIVERSITY OF MELBOURNE” -
The Ed Muirhead Physics Museum
Resistance Bridge Hartmann & Braun
... Resistance Bridge Hartmann & Braun ...[Stamped] on upper face, centre of front edge: Hartmann...] on upper face, centre of front edge: Hartmann & Braun A.G ...Machined metal parts, polymer base, wooden box plinth. Uncoated metal, polished wood. Surface finish: wood varnish. [Stamped] on upper face, centre of front edge: Hartmann & Braun A.G./ Frankfurt a.M/ No 13881. [Stamped] on upper face, centre of back edge: Manufacturer’s symbol. Paint dot on upper face in top left corner approx. 0.7-1.0cm in diameter. -
The Ed Muirhead Physics Museum
Ratio Arm, Hartmann & Braun
... Ratio Arm, Hartmann & Braun...Inscribed on upper face: “Hartmann & Braun A.G./ Frankfurt... on upper face: “Hartmann & Braun A.G./ Frankfurt a.M./ No 13882 ...Assembled, hand built, cast, forged, moulded. Coated, polished, printed, incised, burnished. Surface finish: coated, polished. Inscribed on upper face: “Hartmann & Braun A.G./ Frankfurt a.M./ No 13882” Label adhered to upper face in front left corner: “Part 2-W B 4” On base (stamped in ink): “24 JULL 1929” Inscribed into the underside, wooden base: \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\"774 X\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\" -
The Ed Muirhead Physics Museum
Standard Resistor Hartmann and Braun
... Standard Resistor Hartmann and Braun ... [Stamped] inscription on top: No 2470/ HARTMANN & BRAUN/ FRANKFURT...] inscription on top: No 2470/ HARTMANN & BRAUN/ FRANKFURT ^/M /T.C ...Machined, assembled, cast, moulded. Plastic possibly stamped/painted with inscription. Handwritten in what appears to be whiteout on top circular face: ½ watt. Dymo label adhered to front: PHYSICS PT2 F2 [Stamped] inscription on top: No 2470/ HARTMANN & BRAUN/ FRANKFURT ^/M /T.C.=+0,00002/10/OHM/bei 18oC. [Stamped] inscription centred on rim of top circular face in the front: 10hm=106, 3 cm/mm2 Hg. 0 oC. Medallion on top circular face: P.T.R. 38/ 1900. Handwritten on chipped paint dot on top: “2” (?)
