Accession No

0392

Brief Description

‘The Logarithmicon’ by Yeates & Son, 1899

Origin

Dublin; Ireland

Maker

Yeates & Son

Class

calculating

Earliest Date

1899

Latest Date

1899

Inscription Date

Material

paper (card and two others); wood (boxwood); metal (2 white metals)

Dimensions

length 225mm; breadth 37mm; height 26mm

Special Collection

Provenance

Part of the Hutchinson Collection of calculating aids.

Inscription

‘Logarithmicon
(TABLE)’ (scale)
‘Yeates&Son.Dublin’ (obverse of position finder)
‘Logarithmicon
position finder’ (reverse of position finder)
‘THE LOGARITHMICON:
A MECHANICAL CONTRIVANCE
FOR
FACILITATING
CALCULATIONS.
DESCRIBED BY
REDMUND NAISH.
DUBLIN, 1898.
YEATES & SON,
DUBLIN’ (title page of instruction manual)

Description Notes

Card table carrying pair of logarithmic scales, both divided [10] - [112], numbered by 1 to 100, subdivided to 0.1 to 100. Used with the scale is a boxwood rule (the ‘position finder’) with scale divided 00 - 50 numbered by 5 subdivided to 1 and carrying a pointer in the form of a white metal arm swivelling on a pivot. Detailed instruction booklet by Redmund Naish.

Condition good; complete

References

Events