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98/20/1 Birth control calculator, 'Rythmeter', in kit complete with instruction booklet, paper/cardboard, produced by Gilmore Lee Tilbrook, designed by Major Tilbrook, Rythmeter Company, United States of America, 1945. Click to enlarge.

'Rythmeter' birth control calculator

Made
Birth control calculator, 'Rythmeter' in kit complete with instruction booklet, paper/cardboard, invented by [Major] Gilmore Lee Tilbrook, Rythmeter Company, USA, 1945.
The 'Rythmeter' kit includes a (-1)cardboard gauge rather like a circular slide rule, in a (-2)buff coloured paper sleeve, and an (-3)instruction booklet with a dark blue cover. Both pieces come in a (-4)buff and orange cardboard envelope, with product information and testimonials from medical and religious authorities. The …

Summary

Object No.

98/20/1

Object Statement

Birth control calculator, 'Rythmeter', in kit complete with instruction booklet, paper/cardboard, produced by Gilmore Lee Tilbrook, designed by Major Tilbrook, Rythmeter Company, United States of America, 1945

Physical Description

Birth control calculator, 'Rythmeter' in kit complete with instruction booklet, paper/cardboard, invented by [Major] Gilmore Lee Tilbrook, Rythmeter Company, USA, 1945.
The 'Rythmeter' kit includes a (-1)cardboard gauge rather like a circular slide rule, in a (-2)buff coloured paper sleeve, and an (-3)instruction booklet with a dark blue cover. Both pieces come in a (-4)buff and orange cardboard envelope, with product information and testimonials from medical and religious authorities. The calculator and instruction book are to assist in calculating a woman's fertile period for use in family planning by the rhythm method.

Marks

(-1)'MADE IN U.S.A.' printed on obverse of Rythmeter. Reverse of Rythmeter printed with the following information,on the bottom, 'RYTHMETER CO., P.O. BOX 8646, WILKINSBURG, PA. PROCE - DELUXE MODEL - SIX DOLLARS / COPYRIGHT 1944 BY GILMORE LEE TILBROOK. Copyright under International Copyright Convention. Copyright under Pan American Copyright Convention.'

Dimensions

Width

140 mm

Production

Notes

Gilmore Lee Tilbrook, Rythmeter Company, PO Box 8646, Wilkinsburg, Pennsylvania, USA.

Rythmeter Company, Wilkinsburg, Pennsylvania, USA.

Rythmeter is copyrighted 1944, instruction booklet publication date is 1945.

History

Notes

The device was found amongst the personal effects of the parents of the donor (Ms Debbie Sutton) after their death.

Source

Credit Line

Gift of Debbie Sutton, 1998

Acquisition Date

9 March 1998

Cite this Object

Harvard

'Rythmeter' birth control calculator 2021, Museum of Applied Arts & Sciences, accessed 22 June 2021, <https://ma.as/163362>

Wikipedia

{{cite web |url=https://ma.as/163362 |title='Rythmeter' birth control calculator |author=Museum of Applied Arts & Sciences |access-date=22 June 2021 |publisher=Museum of Applied Arts & Sciences, Australia}}

Incomplete

This object record is currently incomplete. Other information may exist in a non-digital form. The Museum continues to update and add new research to collection records.